| Connor Loar | P | 2016-2018 | UC Davis, Chabot College |
| Dan Loats | P | 2017-2018 | UNC-Greensboro, North Iowa Area CC |
| Matt Lobacz | 1B | 2011-2013 | Winthrop, Young Harris College |
| Mike Lobacz | 1B | 2008-2009 | Elon, Young Harris College |
| Evan Lobato | P | 2016-2016 | Quinnipiac |
| Allan Lobban | P | 2004-2006 | St. Mary's (CA) |
| Brendan Lobban | P | 2009-2012 | St. John's |
| Matt Lobeck | OF | 2020-2020 | College of Charleston |
| Justin Lobello | P | 2001-2002 | Louisiana-Monroe |
| Patrick Lobo | OF | 2011-2012 | Air Force |
| Charlie Lobosco | P | 2010-2012 | Canisius College |
| Taylor Lobus | P | 2016-2020 | Mercer |
| Derek Locascio | IF | 2013-2013 | Missouri State, Indianapolis, John A. Logan College |
| Noah Locascio | C-1B | 2017-2018 | William and Mary |
| Phil Locascio | C-IF | 1998-2002 | Kent State |
| Daniel LoCastro | P | 2009-2009 | Elon |
| Spencer Locati | IF | 2015-2019 | Whitworth |
| Jonny Locher | OF | 2013-2016 | Stanford |
| Jake Lochner | P | 2016-2019 | Missouri State |
| O'Neal Lochridge | IF | 2016-2019 | LSU, Louisiana-Lafayette |
| Cody Lock | P | 2010-2010 | Stephen F. Austin |
| Heath Lock | IF | 2008-2008 | UNC Asheville |
| Clay Lockamon | P | 2015-2017 | UNC Wilmington |
| Brett Lockas | OF | 2006-2006 | Iowa, Illinois Valley CC |
| Bob Locke | C | 1990-2007 | Canisius College |
| Jared Locke | P | 2010-2013 | Toledo |
| Jeremy Locke | OF | 2002-2003 | Sam Houston State |
| Jesse Locke | OF-P | 2006-2009 | Miss. Valley St, Eastern Arizona College |
| Robert Locke | OF | 1984-1984 | Gordon College, Mississippi State |
| Ryan Locke | OF | 2014-2015 | Sacramento State |
| Christian Lockett | P | 2010-2011 | Kent State |
| David Lockett | P | 1974-1976 | Texas A&M |
| Demontez Lockett | H | 2005-2005 | Alabama State |
| Jay Lockett | P | 2000-2002 | Baylor |
| Raphael Lockett | P | 2002-2002 | Jackson State |
| Brent Lockhart | H | 2006-2008 | West Virginia |
| Jatavius Lockhart | C | 2003-2004 | Southern |
| Lael Lockhart | P-IF | 2017-2020 | Houston |
| Nick Lockhart | IF | 2001-2002 | UNC-Greensboro |
| Trip Lockhart | P | 2018-2020 | Kentucky |
| Daniel Lockhert | IF | 2013-2016 | North Dakota |
| Andrew Locklear | P-OF | 2014-2015 | Charleston Southern, North Greenville |
| Cam Locklear | SS | 2017-2020 | Liberty |
| Edmund Locklear | C | 2006-2007 | UNC Asheville |
| James Locklear | OF | 2013-2016 | Rider |
| John Locklear | P | 2005-2009 | Jacksonville, Georgia State, Seminole Florida |
| Marc Locklear | OF | 2007-2009 | UNC Wilmington |
| Tyler Locklear | IF | 2020-2020 | Va. Commonwealth |
| Bob Lockwood | OF | 1982-1982 | Los Angeles Valley College, Gonzaga |
| Brett Lockwood | P | 2016-2020 | Kansas State, Palomar College |
| Erik Lockwood | 1B-P | 2011-2014 | Pacific |
| Jackson Lockwood | P | 2013-2016 | Portland |
| Jeff Lockwood | 1B-P | 2007-2009 | Tennessee, Carson-Newman |
| Justin Lockwood | C | 2017-2017 | Saint Louis |
| Ryan Lockwood | OF | 2007-2010 | South Florida, Florida |
| Griffin Lockwood-Powell | C | 2018-2020 | Central Michigan |
| Michael Locondro | P | 2011-2013 | Mount Saint Mary |
| Aaron Loconsole | IF | 2013-2016 | Bowling Green State, Wayne State University |
| Matt Locus | P | 2011-2014 | Texas-San Antonio, San Jacinto, Houston |
| Sam Loda | C | 2018-2020 | Central Ct State |
| Nolan Lodden | SS | 2013-2016 | George Washington, Heartland CC, Valparaiso |
| Adam Loe | P | 2012-2012 | North Dakota State |
| Andrew Loe | P | 2009-2011 | Ark-Little Rock |
| Michael Loeb | P | 2009-2012 | Davidson College |
| Adam Loeding | P | 2004-2007 | Cornell |
| Brett Loeding | P | 2012-2013 | Northern Kentucky, Elgin CC |
| John Loeffler | 1B-3B | 2012-2013 | Valparaiso, Des Moines Area CC |
| Josh Loeffler | OF | 2018-2020 | Connecticut, Onondaga CC, SUNY - Albany |
| Matt Loeffler | P | 2013-2015 | New Mexico State, South Mountain CC |
| Pat Loeffler | IF | 2017-2017 | Indiana |
| David Loel | 2B | 2006-2006 | Longwood |
| Andrew Loepprich | P | 2015-2017 | Wake Forest |
| Josh Loera | IF | 2012-2012 | New Mexico State, New Mexico Military Institute |
| Joshua Loeschorn | P | 2019-2020 | Long Island-Brooklyn, C.W. Post Campus/Long Island |
| Robby Loew | P | 2009-2010 | Troy, Southern Union State CC |
| Carter Loewen | P | 2018-2020 | Hawaii |
| Aaron Loewenthal | OF | 2006-2007 | San Jose State, College of Marin, Santa Rosa Junior College |
| Lars Lofgren | P | 2016-2017 | Utah |
| Hank LoForte | IF | 2016-2019 | Cal State Fullerton |
| Justin Lofranco | OF | 2001-2002 | New Orleans |
| Prentice Lofstedt | P | 1999-2002 | Creighton |
| Jeremy Loftice | P | 1999-2000 | Truett-McConnell College, LSU |
| Adam Loftin | C | 2001-2004 | Duke |
| Jackson Loftin | IF | 2019-2020 | Sam Houston State |
| Nick Loftin | IF | 2018-2020 | Baylor |
| Richard Loftin | P | 2013-2013 | Savannah State |
| Jack Loftus | C | 2012-2015 | Fairleigh Dickinson |
| Robert Loftus | OF | 2010-2013 | New York Tech |
| Austin Logan | OF | 2012-2013 | UC Davis, West Valley College |
| Billy Logan | C | 2010-2013 | James Madison |
| Blake Logan | C | 2014-2017 | Auburn |
| Bradley Logan | P | 2008-2010 | Georgia State |
| Brock Logan | 1B-C | 2015-2018 | Indiana U.-Purdue U.-FW |
| Cameron Logan | 1B | 2010-2012 | Texas Southern, Copiah-Lincoln CC |
| Garrett Logan | C | 2012-2015 | Northwestern State, Blinn College |
| Josh Logan | OF | 2007-2008 | Louisiana-Lafayette, Copiah-Lincoln CC |
| Kendall Logan | OF | 2011-2012 | Copiah-Lincoln CC, Jackson State |
| Matt Logan | IF | 2008-2010 | Wagner |
| Michael Logan | P | 2008-2009 | South Alabama, Bishop State CC |
| Nate Logan | P | 2004-2006 | Campbell, East Carolina |
| Quinton Logan | OF-P | 2016-2019 | Louisiana Tech, Hinds CC |
| Trey Logan | SS-2B | 2015-2018 | Georgia |
| Sean Loggins | C | 2008-2009 | Evansville |
| Gavin Logsdon | P | 2006-2009 | Louisville |
| Nick Logusch | P | 2018-2020 | Saint Louis, Jefferson College, East Carolina |
| Carter Lohman | P | 2019-2020 | Louisville |
| Nathan Lohmeier | P | 2017-2020 | Bowling Green State |
| Sam Lohnes | P | 2015-2015 | Air Force |
| Christopher Lohr | P | 2015-2018 | William and Mary |
| Derek Lohr | SS | 2018-2020 | Coppin State College, Central Washington |
| Nick Lohrer | C | 2012-2013 | St. Bonaventure |
| Ari Loiben | OF | 2007-2007 | New Mexico State, Navarro College |
| Joe Loiodice | P | 2009-2012 | Monmouth |
| Nick Loiodice | IF | 2016-2017 | UMD-Baltimore Cty |
| Andrew Lojewski | OF | 2012-2014 | Cal State Bakersfield, American River College |
| Jeremiah Lokken | 1B | 2007-2008 | Gardner-Webb, FSC at jacksonville |
| Collin Lollar | P | 2018-2020 | Ohio State, Wabash Valley College, Western Kentucky |
| Jacob Lollar | C | 2010-2010 | Long Beach State |
| Gino Lollio | OF | 2000-2003 | Michigan |
| Joel Lollis | 3B | 2005-2005 | San Diego State, Grossmont College |
| Tanner Lollis | IF | 2014-2016 | Erskine College |
| Hunter Lomas | P | 2016-2018 | South Carolina, Spartanburg Methodist College |
| Sean Lomas | SS-P | 1998-2001 | Maryland, Marist |
| Andy Lomax | C | 2004-2004 | Nebraska |
| Morgan Lomax | OF-P | 2018-2019 | Miss. Valley St, Santa Barbara City College |
| Brad Lombard | P | 2013-2016 | Indiana State, Jefferson College |
| Jeff Lombard | P | 2006-2008 | Santa Clara, Columbia Basin College |
| Brian Lombardi | IF-OF | 2004-2005 | Cleveland State |
| Bryce Lombardi | P | 2012-2016 | Pacific |
| Dom Lombardi | C-IF | 2004-2008 | Manhattan College |
| Jack Lombardi | IF | 2018-2020 | Nebraska at Omaha, Jefferson College |
| Joe Lombardi | 1B-P | 2009-2010 | Le Moyne, Pace |
| Luke Lombardi | IF | 2011-2014 | Bucknell |
| Nicolas Lombardi | OF | 2016-2019 | New York Tech |
| Steve Lombardi | P | 2014-2014 | Seton Hall |
| Tony Lombardi | P | 2006-2007 | East Tennessee State, Santa Rosa Junior College |
| Anthony Lombardo | OF | 2013-2015 | Cal State Northridge, Cal State Los Angeles |
| Earl Lombardo | IF-OF | 1965-1965 | Rider |
| Joe Lombardo | P | 2008-2010 | Duquesne |
| Joe Lombardo | IF | 2014-2015 | New York Tech |
| Kyle Lombardo | IF | 2012-2013 | St. John's, Suffolk County CC-Ammerman |
| Nick Lombardo | OF | 2012-2015 | SIU-Edwardsville |
| Torrey Lombardo | P | 2001-2002 | Saint Louis, Maple Woods CC |
| Dan Lombardozzi | P | 2007-2010 | Coastal Carolina |
| Jason Lombardozzi | IF | 2013-2016 | Florida, Central Florida CC |
| Chuck Lombardy | P | 2000-2001 | Ohio |
| Carlos Lomeli | P | 2018-2020 | St. Mary's (CA) |
| Joseph Lomeli | IF | 2020-2020 | California Baptist, Cabrillo College |
| Joe Lomuscio | OF | 2018-2020 | Brown |
| Ethan Lonardelli | P | 2015-2018 | Sacred Heart |
| Cole Loncar | OF | 2013-2016 | Texas-Pan American, Mesa CC |
| Wyatt Loncar | P | 2020-2020 | Ohio State |
| Alex London | P | 2017-2019 | Jacksonville State, Shelton State CC |
| Kyle London | OF | 2014-2017 | Washington |
| David Londrey | C | 2003-2006 | Virginia Tech |
| Austin Lonestar | OF | 2014-2016 | St. Mary's (CA), College of San Mateo |
| Tyler Lonestar | P | 2016-2017 | St. Mary's (CA) |
| Austin Long | P | 2018-2020 | Indiana, Rollins |
| Brad Long | P | 2009-2010 | Kennesaw State, Truett-McConnell College |
| Brandon Long | OF | 2002-2004 | Georgia, Georgia Southern, Coastal Ala-Brewton |
| Brendan Long | P | 2013-2016 | Massachusetts-Lowell, Indian River CC |
| Brian Long | P | 2004-2007 | Eastern Illinois, Illinois |
| Brian Long | P | 2006-2009 | Cleveland State |
| Brock Long | OF | 2014-2014 | Maryland-Eastern Shore |
| Casey Long | IF | 2000-2003 | Rider |
| Casey Long | 3B | 2003-2003 | Pittsburgh, Pitt Johnstown |
| Christian Long | OF-C | 2017-2020 | Wake Forest |
| Dale Long | C | 2013-2015 | Quinnipiac |
| Dalton Long | P | 2015-2019 | East Tennessee State, Roane State CC, Carson-Newman |
| Danny Long | IF | 2017-2020 | Monmouth |
| David Long | 1B | 2004-2005 | Wofford, Walters State CC |
| Derek Long | C | 2013-2014 | Presbyterian College |
| DJ Long | IF | 2010-2013 | Delaware |
| Evan Long | IF | 2016-2018 | Heidelberg College |
| Gabe Long | P | 2011-2012 | Western Illinois, Southeastern CC |
| Harrison Long | IF | 2020-2020 | Jacksonville |
| Jake Long | P | 2009-2013 | UW Milwaukee |
| Jake Long | P | 2012-2015 | East Tennessee State, Spartanburg Methodist College, Clemson |
| Jalon Long | P-UT | 2019-2020 | Samford |
| Jason Long | IF | 2002-2006 | Kansas State, New Mexico State |
| Jay Long | OF | 2002-2005 | UMD-Baltimore Cty |
| JD Long | IF | 2013-2017 | Western Carolina |
| Jeff Long | P | 2019-2020 | Manhattan College |
| Jeremy Long | P | 2009-2011 | The Citadel |
| Jimmy Long | IF-P | 1999-2002 | Ball State, South Alabama |
| John Long | 3B-OF | 2009-2012 | Liberty, East Tennessee State, Spartanburg Methodist College |
| Johnny Long | C | 2020-2020 | Florida Gulf Coast |
| Josh Long | P | 2009-2011 | Texas Southern |
| Justin Long | OF | 2007-2010 | Stephen F. Austin |
| Justin Long | OF | 2004-2004 | Army |
| Kevin Long | P | 2003-2005 | Delaware State |
| Kevin Long | P | 2013-2016 | Lehigh |
| Kyle Long | OF | 2010-2011 | Longwood |
| Mariano Long | P-OF | 2013-2013 | Air Force |
| Matt Long | OF | 2003-2003 | NC State |
| Michael Long | OF | 2011-2012 | Prairie View A&M, Western Nevada CC |
| Nick Long | P | 2017-2020 | Florida, Stetson |
| Patrick Long | IF | 2007-2010 | Georgia Tech |
| Patrick Long | P | 2003-2006 | Alcorn State |
| Patrick Long | C | 2011-2012 | Jacksonville |
| Reid Long | P-OF | 2015-2018 | Troy, Faulkner |
| Richard Long | P | 2002-2002 | Liberty |
| Ryne Long | P | 2013-2016 | South Alabama, Miss Gulf Coast |
| Sam Long | P | 2008-2011 | Navy |
| Scott Long | SS | 1965-1967 | Auburn |
| Sean Long | OF | 2005-2005 | Saint Peter's |
| Spencer Long | P | 2018-2020 | San Jose State, El Camino College |
| Travis Long | P | 2014-2015 | Campbell, Lenoir CC |
| Tyler Long | OF-P | 2013-2015 | UNC-Greensboro, Louisburg College |
| Will Long | C | 2019-2020 | Tennessee Tech |
| William Long | H | 2007-2010 | Louisiana-Lafayette |
| Zac Long | P | 2005-2008 | Davidson College |
| Emmanuel Long-Hesse | 1B | 2019-2019 | Alabama A&M, Claflin University |
| Josh Longabaugh | P | 2017-2020 | Longwood, De Anza |
| Chad Longacre | P | 2006-2007 | Dallas Baptist |
| Casey Longaker | C | 2018-2020 | Washington, Cal State Monterey Bay |
| Brice Longanecker | P | 2015-2016 | Morehead State, Gateway CC |
| Justin Longbrake | P | 2018-2020 | Dayton |
| Dustin Longchamps | P | 2006-2007 | Maryland-Eastern Shore |
| Ken Longernecker | P | 2007-2010 | Lehigh |
| Dale Longfellow | P | 2005-2005 | Duke |
| Matt Longfield | P | 2010-2013 | Villanova |
| Garrett Longhurst | OF | 2014-2017 | SUNY - Albany |
| Caleb Longley | 1B-OF | 2015-2018 | East Tennessee State, Cleveland State CC |
| Jack Longo | OF | 2018-2020 | Ohio |
| Lee Longo | IF | 2011-2014 | Eastern Michigan |
| Luke Longo | C | 2020-2020 | New Jersey Tech |
| AJ Longoria | P | 2013-2014 | Texas A&M-Corpus Christi, Midland College |
| Andrew Longoria | P | 2008-2010 | Texas A&M-Corpus Christi |
| Jose Longoria | C | 2012-2013 | Grambling State, Odessa |
| Julio Longoria | C-OF | 2004-2005 | Prairie View A&M |
| Andy Longosz | OF | 2009-2010 | William and Mary |
| Conner Longrie | OF | 2019-2020 | UC Davis |
| Quentin Longrie | P | 2016-2020 | USC |
| David Longstreeth | P | 2017-2020 | Quinnipiac |
| Kevin Longstreth | C | 2002-2005 | Bowling Green State |
| Landon Longsworth | P | 2017-2020 | Louisiana-Monroe, Vernon College, Paris Junior College |
| David Longville | P | 2012-2015 | Hawaii, Orange Coast College, Houston |
| Caleb Lonkard | IF | 2012-2015 | Northern Kentucky |
| Bryson Lonsbury | P | 2019-2020 | Northern Kentucky, Dyersburg State CC |
| Mike Lonsdale | C | 2010-2011 | St. John's, Cal State Monterey Bay, Chabot College |
| Seth Lonsway | P | 2019-2020 | Ohio State |
| Dylan Lonteen | IF | 2017-2020 | Northern Illinois, Washburn University, Illinois Central College |
| Garrison Looke | UT | 2018-2018 | Davidson College |
| Devon Loomis | P | 2015-2018 | San Francisco, Cabrillo College, Western Kentucky |
| Matt Loomis | P | 2009-2010 | Central Michigan |
| David Looney | P | 2018-2019 | Morehead State, Columbia State CC |
| Justin Looney | P | 2020-2020 | Longwood |
| Layne Looney | P | 2016-2019 | Richmond, Houston |
| Zach Looney | C | 2011-2014 | Santa Clara |
| David Loonie | P | 2000-2002 | Massachusetts |
| Kris Looper | P | 2012-2015 | Incarnate Word, Alvin CC |
| Alex Loosbrock | P | 2018-2020 | Creighton, Sioux Falls |
| Collin Loose | P | 2018-2020 | Austin Peay, Volunteer State CC |
| Jake Loose | P | 2016-2016 | Texas-Pan American, Arkansas Tech |
| Ethan Loosen | IF | 2010-2013 | Air Force, Jacksonville |
| Zach Lopatka | P-OF | 2017-2019 | Youngstown State, Lackawanna College |
| Corey Loper | P | 2019-2020 | Delaware State |
| Jimmy Loper | P | 2020-2020 | Duke |
| Scott Loper | IF | 2013-2014 | Sacramento State, College of the Sequoias |
| Joey Loperfido | IF | 2018-2020 | Duke |
| Eric Lopes | P | 2018-2020 | Holy Cross |
| Zach Lopes | IF | 2011-2015 | Coastal Carolina, Delaware |
| Adam Lopez | 3B | 2017-2020 | San Diego, Southwestern College |
| Adrian Lopez | IF | 2011-2011 | Southern |
| Adrian Lopez | IF | 2013-2013 | Texas Southern |
| Alberto Lopez | C | 2008-2008 | Houston, Odessa |
| Alejandro Lopez | 3B | 2015-2015 | Miss. Valley St, Mountain View |
| Andy Lopez | IF | 2001-2002 | Pepperdine, Glendale CC AZ |
| Anthony Lopez | IF | 2015-2016 | Campbell, Cumberland County College |
| Bradly Lopez | C | 2017-2017 | Arkansas-Pine Bluff |
| Bret Lopez | IF | 2011-2014 | Brigham Young |
| Bryant Lopez | OF | 2010-2011 | Texas-Arlington, North Central Texas College |
| Carlos Lopez | P | 2013-2013 | Florida Intl |
| Carlos Lopez | P | 2016-2019 | Alcorn State |
| Chris Lopez | P | 2005-2008 | Louisville, UC Irvine |
| Chris Lopez | OF-IF | 2008-2008 | Elon, Pasco-Hernando CC |
| Chris Lopez | P | 2013-2013 | Maryland-Eastern Shore |
| Chris Lopez | IF | 2014-2015 | Texas Southern |
| Craig Lopez | P | 2017-2018 | Old Dominion, Catonsville CC |
| Cristian Lopez | P | 2019-2020 | Illinois-Chicago, Cypress College |
| Dan Lopez | OF | 2005-2008 | Seton Hall |
| Daniel Lopez | IF | 2014-2019 | Portland, Cerritos College |
| David Lopez | P | 2000-2003 | Dartmouth |
| David Lopez | IF | 2011-2013 | Arizona |
| Devyn Lopez | IF | 2019-2020 | San Diego State |
| Diego Lopez | OF | 2009-2010 | Alabama A&M |
| Dom Lopez | P | 2020-2020 | Texas A&M-Corpus Christi |
| Dominic Lopez | IF | 2004-2007 | Navy |
| Dominic Lopez | 3B | 2013-2015 | Texas A&M-Corpus Christi |
| Ethan Lopez | IF | 2016-2019 | Hawaii |
| Fausto Lopez | IF | 2018-2020 | Troy, Pensacola State College, Middle Tenn State |
| Greg Lopez | SS | 2003-2006 | Notre Dame |
| Ivan Lopez | P | 2004-2005 | Cal State Northridge, Glendale CC AZ |
| Ivan Lopez | P | 2009-2009 | Northern Iowa, Los Angeles Harbor College |
| Jake Lopez | P | 2018-2018 | Long Beach State |
| Javier Lopez | OF | 2001-2002 | Harvard |
| Javy Lopez | P | 2003-2005 | New Mexico, Arizona State, El Paso CC |
| Jeremy Lopez | IF | 2012-2013 | Southern |
| Jerome Lopez | IF | 2002-2004 | Temple, Liberty |
| Jesse Lopez | OF | 2018-2020 | Long Beach State, Cypress College |
| Jesus Lopez | IF | 2020-2020 | Pepperdine |
| John Lopez | OF | 2002-2004 | Texas-Pan American |
| Johnny Lopez | 3B | 2003-2003 | Bethune-Cookman, Palm Beach State College |
| Jonathan Lopez | P | 2009-2010 | Campbell, Wallace State CC |
| Jonathan Lopez | P | 2013-2013 | Hawaii |
| Jordan Lopez | OF | 2011-2012 | Texas Tech |
| Jorge Lopez | --- | 2017-2017 | Savannah State |
| Juan Lopez | OF | 2011-2012 | Alabama A&M |
| Justin Lopez | 1B | 2003-2003 | Texas A&M |
| Kobe Lopez | IF | 2017-2020 | Florida Intl, Saint Thomas |
| Kyle Lopez | OF | 2015-2018 | Creighton, Garden City CC, Emporia State |
| Manuel Lopez | OF | 2017-2018 | Middle Tenn State |
| Mario Lopez | P | 2017-2019 | Cal State Bakersfield, Cuesta College |
| Mario Lopez | P | 2019-2020 | Jackson State |
| Mark Lopez | P | 2019-2019 | New Mexico State |
| Martin Lopez | P | 2007-2007 | Texas Southern |
| Matt Lopez | 3B | 2007-2008 | Oklahoma State, New Mexico State |
| Matt Lopez | SS | 2005-2008 | Jacksonville |
| Matt Lopez | IF-OF | 2011-2014 | San Jose State |
| Matt Lopez | IF | 2018-2020 | Washington State, Sierra College |
| Michael Lopez | IF | 2003-2006 | Florida Intl |
| Michael Lopez | P | 2010-2012 | Arizona |
| Michael Lopez | P | 2012-2013 | Cal State Fullerton, Santa Ana College |
| Mike Lopez | C | 2009-2011 | Cornell |
| Nick Lopez | IF-P | 2020-2020 | Illinois-Chicago |
| Nicolas Lopez | P | 2019-2020 | Stanford |
| Paul Lopez | P | 2007-2010 | Long Island-Brooklyn |
| Pedro Lopez | P | 2005-2005 | Elon |
| Phil Lopez | IF | 2005-2006 | Murray State, Mendocino College |
| Raul Lopez | P | 2001-2004 | Toledo |
| Ray Lopez | IF-OF | 2013-2015 | Va Military Inst. |
| Robert Lopez | IF | 2015-2016 | Grambling State |
| Robert Lopez | C | 2016-2016 | Incarnate Word |
| Steven Lopez | H | 2010-2010 | Texas Southern |
| Tyrus Lopez | P | 2017-2018 | Arkansas-Pine Bluff, Ellsworth CC |
| Ubaldo Lopez | IF | 2018-2020 | Dartmouth |
| Will Lopez | P | 2019-2020 | Va Military Inst. |
| Diego Lopez-Molina | P | 2020-2020 | Alcorn State |
| Luis Lopez-Valdez | P | 2020-2020 | Savannah State |
| Rob Lopinto | IF | 2011-2014 | Fairfield |
| Knox Loposer | C | 2019-2020 | Mississippi |
| Jimmy Lopovich | OF | 2004-2007 | Long Island-Brooklyn |
| Tyler Loptien | P | 2015-2016 | San Diego State |
| Manny Lora | P | 2010-2014 | Alabama A&M |
| Brett Lorah | P | 2016-2018 | Oklahoma, Seminole State College |
| Colton Lorance | P | 2011-2015 | Central Arkansas, Henderson State, Pratt CC |
| Dave Lorber | H | 2007-2007 | Central Ct State, Brookdale CC |
| Austin Lord | P | 2014-2018 | Mercer |
| Matt Lord | IF | 2020-2020 | Northeastern |
| Kevin Lorde | OF | 2003-2003 | Central Ct State |
| Manny Loredo | OF | 2015-2019 | Texas-Pan American, Texas A&M-Kingsville |
| Nick Loredo | P | 2010-2011 | UC Santa Barbara, San Jose City College |
| Stephen Loreng | IF | 2017-2018 | SUNY - Albany, County College of Morris |
| Brian Lorenz | OF-P | 2009-2012 | SIU-Edwardsville |
| John Lorenz | 3B | 2009-2012 | Michigan |
| Owen Lorenz | P | 2017-2020 | Elon |
| Tanner Lorenz | P | 2010-2010 | SE Louisiana, Iowa Western CC |
| Matthew Lorenzetti | P | 2012-2016 | Quinnipiac |
| Adrian Lorenzo | OF | 2008-2011 | Pennsylvania |
| Giovany Lorenzo | C | 2018-2020 | Bethune-Cookman, Stetson |
| Joe Lorenzo | IF | 2006-2008 | Iona College |
| Julian Loret De Mola | P-IF | 2012-2016 | Florida Atlantic, Nova Southeastern |
| Joseph Loria | OF | 2004-2004 | Saint Peter's |
| Anthony Loricco | P | 2019-2020 | Army |
| Aaron Lorio | P | 2005-2008 | Louisiana Tech |
| Matt Lormer | IF | 2004-2004 | Kansas State, Connors State College |
| Brian Lortz | P | 2003-2005 | Indiana, Kentucky Wesleyan College |
| Nick Lorusso | IF-P | 2019-2020 | Villanova |
| TJ Losby | C | 2011-2014 | Bowling Green State |
| Clint Losch | IF | 2003-2006 | Lafayette College |
| Hunter Losekamp | C | 2015-2018 | Cincinnati, Huntington University |
| Jason Losey | OF | 2004-2005 | William and Mary |
| Zach Losey | P | 2019-2020 | Ball State |
| Mario Losi | P | 2014-2017 | Valparaiso |
| Trevor Losito | OF | 2018-2020 | East Carolina, Pitt CC |
| Ryan Losman | P | 2015-2018 | SE Missouri State, Glendale CC CA |
| Sean Loso | 2B-OF | 2002-2005 | James Madison |
| Vinny Losorelli | P | 2009-2009 | Michigan |
| Adrian Losoya | P | 2010-2013 | Texas Southern |
| David Lostra | P | 2012-2013 | Miss. Valley St, College of The Siskiyous |
| Christian Lothes | P | 2020-2020 | UNC Charlotte |
| Bob Lothian | P | 2004-2005 | Eastern Michigan, Detroit Mercy |
| Luca Lotito | IF | 2019-2020 | Pittsburgh, Iona College |
| AJ Lotsis | IF-OF | 2017-2020 | Georgetown |
| Albert Lott | P | 2011-2012 | Lamar, Angelina College |
| Alex Lott | P | 2013-2016 | Nevada, San Joaquin Delta College |
| Cody Lott | P | 2005-2005 | Sam Houston State, Navarro College, LSU-Shreveport |
| D.D. Lott | P | 2009-2009 | Northwestern State |
| George Lott | P | 2007-2011 | North Florida |
| Jason Lott | P | 2016-2018 | South Alabama, Alvin CC, Delta State |
| Justin Lott | IF | 2018-2019 | Alabama A&M |
| Travis Lott | C | 2020-2020 | The Citadel |
| David Lottman | OF | 2007-2009 | Va Military Inst. |
| Andrew Loucks | OF | 2006-2009 | Bucknell |
| Barry Loucks | C | 2007-2007 | Georgia Southern, Erskine College |
| Connor Loucks | C | 2017-2020 | Cal Poly, Canada College |
| Kyle Loucks | C | 2003-2003 | Binghamton |
| Carter Loud | OF | 2011-2014 | Sacramento State, Chabot College, San Francisco State |
| Andrew Louden | OF | 2003-2004 | Mount Saint Mary |
| Michael Loughlin | IF | 2013-2014 | Harvard |
| Mark Louis | P | 2013-2014 | Lafayette College |
| Stephen Loupe | C | 2011-2012 | Alcorn State |
| Conor Lourey | P | 2014-2015 | High Point, Dakota County Technical College |
| Blake Louscher | P | 2013-2013 | Central Michigan |
| Charlie Loust | C | 2020-2020 | Long Beach State |
| Matt Loutzenhiser | P | 2013-2015 | Northern Colorado |
| Chris Lovas | IF | 2007-2008 | North Dakota State |
| Anthony Lovato | 1B-OF | 2001-2002 | New Mexico, Lamar CC |
| Damion Lovato | OF-IF | 2013-2013 | Kansas State, New Mexico JC |
| Ryne Lovdahl | 1B-3B | 2006-2007 | Alabama-Birmingham, Pearl River CC |
| Alex Love | P | 2009-2010 | Murray State, Delta State |
| Austin Love | 1B | 2000-2004 | NC A&T State |
| Austin Love | P | 2019-2020 | North Carolina |
| Avery Love | P | 2020-2020 | Jacksonville |
| Billy Love | P | 2013-2016 | Lamar, Seminole State College |
| Brody Love | P | 2004-2005 | Louisiana Tech |
| Caleb Love | OF | 2005-2008 | Army |
| Cameron Love | P | 2009-2011 | San Francisco |
| Carlos Love | IF | 2000-2003 | Georgia Southern |
| Connor Love | C | 2011-2014 | Army |
| Dillon Love | IF | 2017-2018 | Furman |
| Jason Love | C-1B | 2008-2008 | Liberty |
| Joe Love | IF | 2013-2016 | Northern Colorado |
| Jon Love | OF | 2002-2002 | Kentucky |
| Nick Love | P | 2019-2020 | Jacksonville |
| Tanner Love | P | 2013-2015 | George Mason, Middle Georgia, Georgia State |
| Tyler Love | IF | 2006-2009 | Coppin State College, Maryland-Eastern Shore |
| Wesley Love | P | 2003-2003 | South Alabama |
| Joseph Lovecchio | C | 2015-2017 | Iona College, Westchester CC |
| Cody Lovejoy | OF | 2012-2016 | Texas State |
| Dane Lovejoy | P | 2014-2016 | Sam Houston State, Navarro College, Temple College |
| Kevin Lovejoy | H | 2004-2006 | Alabama A&M |
| Adam Lovelace | P | 2006-2006 | Southern |
| Eric Lovelace | P | 2004-2006 | Temple |
| Kyle Lovelace | C | 2018-2020 | Houston |
| Mike Lovelace | P | 2002-2003 | New Orleans, Louisiana-Monroe, Bossier Parish CC |
| Bobby Loveless | 1B-3B | 2010-2012 | Stephen F. Austin, Alvin CC, Panola College |
| Brad Loveless | P | 2003-2005 | Richmond |
| Pierce Loveless | P | 2002-2003 | Texas-Arlington |
| Ben Lovell | P | 2014-2018 | Belmont, Maryville University |
| Brenden Lovell | P-OF | 2018-2020 | Western Michigan |
| Brent Lovell | C | 2019-2019 | Eastern Kentucky |
| Eli Lovell | OF | 2015-2018 | Florida Gulf Coast, Kansas City CC |
| Jaime Lovell | IF-C | 2016-2020 | Stephen F. Austin, Weatherford College |
| Seth Lovell | P | 2019-2020 | Bethune-Cookman |
| Curtis Lovelle | P | 2005-2005 | Delaware State |
| Daltan Lovelle | C | 2015-2016 | Arkansas State |
| Jaren Lovely | OF | 2018-2020 | Marshall |
| Max Loven | P | 2019-2020 | North Dakota State |
| Jeremy Lovera | SS | 2017-2019 | Delaware State, Des Moines Area CC, Indiana University-Kokomo |
| Matt Lovetere | IF | 2004-2006 | Fordham |
| Aaron Lovett | P | 2007-2008 | Kentucky, Kaskaskia College |
| Brian Lovett | P-OF | 2005-2005 | East Tennessee State, Tusculum College |
| Shaun Lovett | C-OF | 2012-2012 | Air Force |
| Jeff Loveys | P | 2003-2007 | University at Buffalo, Ball State |
| Joshua Lovick | C | 2011-2014 | East Carolina |
| Adam Lovill | P | 2004-2004 | Gonzaga |
| Jonas Lovin | P | 2016-2019 | Nebraska at Omaha, Augustana-SD |
| Player Loving | P | 2013-2013 | College of Charleston |
| Garrett Lovorn | P | 2013-2017 | Clemson, Lander |
| Camden Lovrich | P | 2020-2020 | Jacksonville State |
| Billy Lovvorn | P | 2015-2017 | Oral Roberts, Hutchinson CC |
| Jake Lovvorn | P | 2018-2019 | Georgia Southern, Young Harris College |
| Chaisson Low | 2B | 2012-2012 | Southern Utah, Scottsdale CC |
| Doug Low | C | 2007-2007 | Louisiana-Monroe, Southern Nevada, Mesa CC |
| Coy Lowden | OF | 1998-2002 | Texas State, Texas |
| Michael Lowden | P | 2010-2013 | California |
| Steve Lowden | C-1B | 2013-2014 | Indiana U.-Purdue U.-FW, Vincennes |
| Carson Lowder | P | 2020-2020 | Western Carolina |
| Joseph Lowder | P | 2017-2017 | Appalachian State, Concord College |
| Andrew Lowe | P | 2016-2020 | Mississippi, LSU-Eunice, LSU-Shreveport |
| Ben Lowe | IF-P | 2015-2018 | Navy |
| Brandon Lowe | 1B | 2005-2005 | Brewton-Parker College, Georgia |
| Christopher Lowe | OF | 2015-2018 | Indiana |
| Collin Lowe | P | 2018-2020 | Richmond |
| Derek Lowe | OF | 2010-2014 | William and Mary |
| Doug Lowe | P | 2015-2018 | Cincinnati |
| Drew Lowe | OF | 2019-2020 | Oral Roberts |
| Ellis Lowe | SS-2B | 2008-2011 | Campbell |
| Eric Lowe | 2B | 2013-2017 | Villanova |
| Greg Lowe | OF | 2018-2020 | Davidson College |
| James Lowe | OF-1B | 2002-2005 | Brown |
| Jared Lowe | SS | 2001-2003 | Butler |
| Josh Lowe | C | 2008-2010 | Cleveland State |
| Michael Lowe | OF | 2009-2012 | Loyola Marymount, Miss. Valley St, Chemeketa CC |
| Nate Lowe | C | 2001-2003 | Morehead State |
| Q.V. Lowe | P | 1966-1967 | Auburn |
| Ranny Lowe | OF | 2011-2014 | Pepperdine, Cal State Northridge |
| Rick Lowe | P | 2000-2002 | Morehead State |
| Ryan Lowe | C | 2007-2008 | North Florida |
| Ryan Lowe | IF-P | 2012-2015 | Davidson College |
| Trevor Lowe | OF-P | 2013-2015 | Western Kentucky |
| Trey Lowe | OF | 2019-2019 | West Virginia |
| Tyler Lowe | IF | 2016-2019 | Chicago State, Elgin CC |
| Eliot Lowell | 2B-SS | 2013-2016 | Cornell |
| Russ Lowell | P | 2007-2008 | Long Beach State, Loyola Marymount |
| Tyler Lowell | C | 2004-2006 | Valparaiso |
| Matt Lowenstein | OF-IF | 2010-2013 | Loyola Marymount |
| Brandon Lower | 1B-3B | 2008-2010 | Virginia Tech |
| David Lower | OF | 2001-2003 | Western Kentucky |
| Joe Lower | P | 2011-2011 | Georgia Southern, Indian River CC |
| Ryan Lower | P | 2012-2014 | Houston Baptist, Galveston College |
| AJ Lowers | C | 2011-2012 | Central Ct State, Manchester College |
| Beau Lowery | P | 2019-2020 | West Virginia |
| Brendan Lowery | 2B-SS | 2019-2020 | Bucknell |
| Evan Lowery | OF | 2017-2020 | Navy |
| Jake Lowery | P | 2014-2018 | Michigan State |
| Jason Lowery | OF | 2002-2005 | Southern Miss |
| Jonathan Lowery | 3B | 2007-2007 | Samford |
| Liam Lowery | OF | 2016-2019 | Navy |
| Matt Lowery | IF | 2020-2020 | University at Buffalo, LeTourneau University |
| Mike Lowery | 1B | 2011-2011 | LSU, Temple College |
| Nick Lowery | IF | 2007-2007 | Utah, Scottsdale CC |
| Thomas Lowery | P | 2014-2017 | Alabama-Birmingham |
| Zach Lowery | OF | 2012-2013 | Lipscomb, Gordon State |
| Dan Lowndes | OF | 2015-2018 | Siena College |
| Alex Lownes | P | 2014-2015 | New Mexico State, Scottsdale CC |
| Alex Lowrey | OF | 2006-2009 | Louisville |
| David Lowrey | OF | 2014-2015 | Elon |
| Patrick Lowrey | P | 2000-2002 | Ball State |
| Ryan Lowrey | P | 2012-2012 | Georgia Southern |
| Mark Lowrie | IF | 2013-2016 | Winthrop |
| Andrew Lowry | OF | 2008-2010 | Richmond |
| Andrew Lowry | OF | 2016-2016 | Navy |
| Blake Lowry | IF | 2007-2009 | Campbell |
| Christian Lowry | OF | 2015-2018 | Virginia, Louisburg College |
| Drew Lowry | IF-P | 2020-2020 | Belmont |
| Nathan Lowry | P | 2004-2004 | Air Force |
| Gary Lowther | 1B | 2002-2003 | Old Dominion, Ohlone College |
| AJ Loyd | OF | 2005-2005 | Wichita State |
| Andrew Loyd | P | 2009-2010 | Air Force |
| Austin Loyd | IF | 2013-2014 | Belmont, Valdosta State |
| Heath Loyd | IF | 2013-2017 | Tennessee, King College (Tenn.) |
| Hunter Loyd | P | 2020-2020 | East Tennessee State |
| Justin Loyd | 3B-1B | 2006-2009 | Gardner-Webb |
| Nathan Loyd | OF-IF | 2018-2020 | Va Military Inst. |
| Andrew Loynaz | P | 2011-2012 | South Florida, Rollins |
| Joey Loynd | IF | 2020-2020 | Delaware |
| Robert Loza | P | 2017-2020 | Texas Southern |
| Alex Lozada | OF | 2010-2010 | Florida Gulf Coast, Polk State |
| Jonathan Lozada | OF | 2018-2018 | Maryland-Eastern Shore |
| Ron Lozada | P | 2011-2014 | Bethune-Cookman, Miami-Dade College, Embry-Riddle |
| Chris Lozan | OF | 2004-2007 | Xavier |
| Chris Lozano | IF | 2006-2008 | Texas-Pan American, Phoenix College |
| Joel Lozano | P | 2002-2003 | Pacific, Fort Scott CC |
| Jorge Lozano | P | 2017-2019 | Wright State |
| Tyler Lozano | C-IF | 2019-2020 | USC |
| Dan Lozeau | P | 2009-2009 | Bryant University |
| Mike Lozier | P-OF | 2004-2004 | Oakland, Kellogg CC |
| Will Lozinak | P | 2018-2020 | Morehead State |
| Brendan Lozupone | P | 2009-2012 | Tennessee-Martin |
| 552 record(s) |