Player Draft
| Name | State | School | Class | Pos. | Year | Round | Team |
| Max Lazar | FL | Coral Springs | 2017 | RHP | 2017 | 11 | Brewers |
| Landon Leach | ON | Pickering | 2017 | RHP | 2017 | 2 | Twins |
| Aaron Leasher | MI | Mount Pleasant | 2014 | LHP | 2017 | 6 | Padres |
| Jason Leblebijian | IL | Prospect | 2009 | SS | 2012 | 25 | Blue Jays |
| Colton Ledbetter | AL | Spain Park | 2020 | OF | 2023 | 2 | Rays |
| DJ Lee | IL | Lincoln-Way North | 2014 | SS | 2019 | 39 | Athletics |
| Khalil Lee | VA | Flint Hill | 2016 | OF | 2016 | 3 | Royals |
| Nick Lee | LA | South Beauregard | 2015 | RHP | 2018 | 9th | Rays |
| AJ Lee | VA | St. John's | 2015 | 2B | 2019 | 34th | Astros |
| Bennett Lee | FL | Jesuit | 2020 | C | 2023 | 6 | Tigers |
| Brooks Lee | CA | San Luis Obispo | 2019 | SS | 2022 | 1 | MIN |
| Jeremy Lee | AL | Morgan Academy | 2020 | RHP | 2023 | 13 | Twins |
| Marcus Lee Sang | MD | Northern | 2019 | OF | 2019 | 11th | Phillies |
| Tyler Leffler | IL | Benton | 2012 | RHP | 2016 | 27 | Pirates |
| Jack Leftwich | FL | TNXL Academy | 2017 | RHP | 2017 | 39 | Tigers |
| Taylor Lehman | PA | Keystone Oaks | 2014 | LHP | 2014 | 34 | Marlins |
| Ryan Leitch | ON | Sinclair | 2019 | C | 2019 | 30 | Cincinnati Reds |
| Jack Leiter | NJ | Delbarton | 2019 | RHP | 2021 | 1 Pick 2 | Rangers |
| Mack Lemieux | FL | Jupiter | 2015 | LHP | 2015 | 14 | Nationals |
| Nick Leonard | CO | Mountain Vista | 2014 | RHP | 2014 | 34 | Braves |
| Dylan Lesko | GA | Buford | 2022 | RHP | 2022 | 1 | Padres |
| Bishop Letson | IN | Floyd Central | 2023 | RHP | 2023 | 11 | Brewers |
| Nolan Letzgus | GA | Heritage (Catoosa) | 2019 | RHP | 2019 | 34th | Chicago Cubs |
| Zachary Levenson | FL | Oviedo | 2020 | C | 2023 | 5 | Cardinals |
| Tatem Levins | NJ | Notre Dame | 2018 | C | 2022 | 8 | Mariners |
| Zach Lewis | IL | St. Laurence | 2013 | RHP | 2014 | 33 | Pirates |
| Cory Lewis | CA | Marina | 2019 | 1B | 2022 | 9 | Twins |
| Nadir Lewis | GA | Alpharetta | 2018 | OF | 2023 | 20 | Giants |
| Ryan Lidge | IL | Barrington | 2013 | C | 2017 | 20 | Yankees |
| Daniel Lietz | IL | Homewood-Flossmoor | 2012 | LHP | 2013 | 5 | Blue Jays |
| Brett Lilek | IL | Marian Catholic | 2012 | LHP | 2015 | 2 | Marlins |
| Ryan Lillard | IA | Urbandale | 2014 | SS | 2014 | 30 | Royals |
| Blake Lillis | KS | St. Thomas Aquinas | 2016 | LHP | 2016 | 25 | Brewers |
| Thomas Lindauer | IL | Moline | 2010 | SS | 2013 | 23 | Astros |
| Jeff Lindgren | IL | Champaign Centennial | 2015 | RHP | 2019 | 24 | Marlins |
| Desmond Lindsay | FL | Out of Door Academy | 2015 | OF | 2015 | 2 | Mets |
| Andrew Lindsey | TN | Waverly Central | 2018 | RHP | 2023 | 5 | Marlins |
| Zach Linginfelter | TN | Sevier County | 2016 | RHP | 2016 | 16 | Yankees |
| Jackson Linn | MA | Cambridge Rindge and Latin | 2021 | OF | 2021 | 20 | Houston Astros |
| Matthew Linskey | TX | Atascocita | 2020 | RHP | 2023 | 16 | Diamondbacks |
| Andre Lipcius | VA | Lafayette | 2016 | 3B | 2019 | 3rd | Tigers |
| Trey Lipscomb | MD | Urbana | 2018 | 3B | 2022 | 3 | Nationals |
| Guy Lipscomb | TN | Franklin | 2020 | OF | 2022 | 5 | Guardians |
| Deacon Liput | FL | Oviedo | 2015 | SS | 2015 | 39 | Yankees |
| Brendon Little | PA | Conestoga | 2015 | LHP | 2017 | 1 | Cubs |
| Luke Little | NC | East Mecklenburg | 2018 | LHP | 2020 | 4 | Chicago Cubs |
| Christian Little | MO | CBC | 2021 | RHP | 2023 | 19 | Mets |
| Thomas Little | AB | Vauxhall Academy of Baseball | 2019 | LHP | 2019 | 33 | Philadelphia Phillies |
| Matthew Litwicki | IN | Lake Central | 2017 | RHP | 2021 | 10 | Red Sox |
| Nick Lockhart | VA | Woodgrove | 2019 | RHP | 2019 | 11th | Rangers |
| Tyler Locklear | MD | Archbishop Curley | 2019 | 3B | 2022 | 2 | Mariners |
| Joshua Loeschorn | NJ | Butler | 2019 | RHP | 2022 | 20 | Pirates |
| Jackson Loftin | TX | Klein Collins | 2018 | SS | 2022 | 13 | Astros |
| Drake Logan | CO | Discovery Canyon | 2019 | 2B | 2022 | 19 | White Sox |
| Gavin Logan | AB | Okotoks Dawgs Academy | 2018 | C | 2022 | 9 | Diamondbacks |
| Zach Logue | OH | Moeller | 2014 | LHP | 2017 | 9 | Blue Jays |
| George Lombard | FL | Gulliver Prep | 2023 | SS | 2023 | 1 | Yankees |
| Carlos Lomeli | CA | St. John Bosco | 2017 | RHP | 2021 | 17 | Pirates |
| Peyton Long | IA | WDM Valley | 2016 | RHP | 2019 | 30 | Brewers |
| Justin Long | TX | Kingwood | 2020 | C | 2023 | 7 | Braves |
| Ethan Long | AZ | Mountain Pointe | 2020 | RHP | 2022 | 20 | Giants |
| Jonathon Long | CA | Ornage | 2020 | RHP | 2023 | 9 | Cubs |
| Mitch Longo | OH | Mayfield | 2013 | OF | 2016 | 14 | Indians |
| Aidan Longwell | OH | Massillon Washington | 2020 | OF | 2023 | 17 | Rockies |
| Hunter Lonigro | PA | Connellsville | 2017 | RHP | 2017 | 35 | Mariners |
| Seth Lonsway | OH | Celina | 2017 | LHP | 2021 | 6 | San Francisco Giants |
| Jimmy Loper | VA | Hickory | 2018 | RHP | 2022 | 16 | Mets |
| Nick Lopez | IL | Naperville Central | 2013 | 2B | 2016 | 5 | Royals |
| Angel Lopez | PA | Perkiomen School | 2015 | C | 2017 | 13 | Indians |
| Brad Lord | FL | Wakulla | 2018 | RHP | 2022 | 18 | Nationals |
| Kiefer Lord | CA | Menlo | 2020 | RHP | 2023 | 3 | Orioles |
| Nick Lorusso | CT | Masuk | 2018 | 3B | 2023 | 9 | Mets |
| Todd Lott | FL | Trinity Christian Academy | 2016 | OF | 2016 | 20 | Reds |
| Qrey Lott | GA | Lowndes | 2023 | OF | 2023 | 15 | Orioles |
| Blake Loubier | FL | Oviedo | 2019 | RHP | 2019 | Boston Red Sox | 13th |
| Austin Love | NC | West Rowan | 2017 | RHP | 2021 | 3 | St. Louis Cardinals |
| Jackson Lovich | KS | Blue Valley West | 2022 | SS | 2022 | 19 | Mets |
| Quinton Low | CO | Chatfield | 2021 | 1B | 2021 | 13 | MILWAUKEE BREWERS |
| Rhett Lowder | NC | North Stanly | 2020 | RHP | 2023 | 1 | Reds |
| Isaiah Lowe | NC | Combine Academy | 2022 | RHP | 2022 | 11 | Padres |
| Zac Lowther | OH | Cuyahoga Heights | 2014 | LHP | 2017 | 2 | Orioles |
| MacLeod Lozer | IN | North Central | 2013 | RHP | 2017 | 33 | Mets |
| Simeon Lucas | IL | Grant Community | 2014 | C | 2014 | 7 | Indians |
| Kyle Luckham | CA | El Dorado | 2018 | RHP | 2022 | 15 | Nationals |
| Nick Lucky | PA | Cocalico | 2018 | SS | 2018 | 14 | Red Sox |
| Chad Luensmann | PA | Bellwood-Antis | 2015 | RHP | 2015 | 39 | Mets |
| Adam Lukas | WI | Grafton | 2016 | RHP | 2019 | 12 | Royals |
| Connor Lungwitz | KS | Maize | 2015 | RHP | 2015 | 35 | Tigers |
| Chase Luttrell | CA | El Toro | 2018 | LHP | 2022 | 13 | Marlins |
| Gavin Lux | WI | Indian Trail | 2016 | SS | 2016 | 1 | Dodgers |
| Jesus Luzardo | FL | Marjory Stoneman Douglas | 2016 | LHP | 2016 | 3 | Nationals |
| Daniel Lynch | VA | Douglas Freeman | 2015 | LHP | 2018 | Compensation 1 | Royals |
| Jared Lyons | VA | West Springfield | 2018 | RHP | 2022 | 14 | Reds |
| Will Mabrey | TN | Upperman | 2019 | LHP | 2022 | 6 | Diamondbacks |
| Tommy Mace | FL | Sunlake | 2017 | RHP | 2017 | 12 | Reds |
| Travis MacGregor | FL | East Lake | 2016 | RHP | 2016 | 2 | Pirates |
| Charles Mack | NY | Williamsville East | 2018 | SS | 2018 | 6 | Minnesota Twins |
| Joe Mack | NY | Williamsville East | 2021 | C | 2021 | 1 | Miami |
| Adam Macko | AB | Vauxhall Academy of Baseball | 2019 | LHP | 2019 | 7 | Seattle Mariners |
| Ryan Madden | CO | Fairview | 2015 | RHP | 2015 | 35 | Rockies |