Player Draft
| Name | State | School | Class | Pos. | Year | Round | Team |
| Ryan Kokora | CO | Fairview | 2014 | RHP | 2014 | 35 | Braves |
| Xavier Kolhosser | NY | Roy C. Ketcham | 2021 | RHP | 2024 | 13 | Twins |
| Brandon Komar | WI | Elkhorn | 2017 | RHP | 2019 | 13 | Padres |
| Connor Kopach | IL | Downers Grove North | 2013 | SS | 2018 | 25 | Mariners |
| Kenny Koplove | PA | William Penn Charter | 2012 | SS | 2015 | 17 | Phillies |
| Ronan Kopp | AZ | Scottsdale Christian | 2020 | LHP | 2021 | 12 | Dodgers |
| Karch Kowalczyk | IL | LaSalle-Peru | 2009 | SS | 2014 | 37 | Dodgers |
| Pat Krall | PA | Downingtown West | 2013 | LHP | 2017 | 28 | Athletics |
| Max Kranick | PA | Valley View | 2016 | RHP | 2016 | 11 | Pirates |
| Harrison Kreiling | NE | Westside | 2020 | C | 2024 | 17 | Mariners |
| Austin Krob | IA | Lisbon | 2018 | LHP | 2022 | 12 | Padres |
| Chase Krogman | MO | Liberty (Wentzville) | 2019 | OF | 2019 | 34 | White Sox |
| Ian Krol | IL | Neuqua Valley | 2009 | LHP | 2009 | 7 | Athletics |
| Joshua Kross | OH | Brunswick | 2021 | C | 2024 | 6 | Cardinals |
| Evan Kruczynski | WI | Franklin | 2013 | LHP | 2017 | 9 | Cardinals |
| Lucas Krull | KS | Mill Valley | 2016 | LHP | 2018 | 34 | Giants |
| Alex Krupa | IN | Greenwood | 2013 | OF | 2015 | 35 | Reds |
| Hunter Kublick | NV | Arbor View | 2021 | RHP | 2023 | 18 | Cardinals |
| Sasha Kuebel | MO | St. Louis University | 2011 | LHP | 2014 | 38 | Cardinals |
| Cade Kuehler | NC | Cuthbertson | 2020 | RHP | 2023 | 2-C | Braves |
| Tate Kuehner | IA | Marshalltown | 2019 | LHP | 2023 | 7 | Brewers |
| Jacob Kuhn | NM | Piedra Vista High | 2023 | RHP | 2025 | 7 | Tampa Bay Rays |
| Sam Kulasingam | NC | Holly Springs | 2020 | SS | 2024 | 13 | Royals |
| Joshua Kuroda-Gauer | NJ | Franklin | 2021 | SS | 2024 | 3 | Athletics |
| Nick Kurtz | TN | The Baylor School | 2021 | 1B | 2024 | 1 | Athletics |
| Peter Kussow | WI | Arrowhead | 2025 | RHP | 2025 | 4 | New York Mets |
| AJ Labas | FL | Trinity Christian Academy | 2017 | RHP | 2017 | 17 | Mets |
| Nickolas Lackney | WI | Whitefish Bay | 2015 | LHP | 2019 | 18 | Phillies |
| Mathias LaCombe | JUCO | Libourne | 2020 | RHP | 2023 | 12 | White Sox |
| Luke LaCourse | MI | Bay City Western | 2025 | RHP | 2025 | 6 | Los Angeles Angels |
| Raymond Trey LaFleur III | FL | J M Tate | 2019 | OF | 2019 | 21st | Los Angeles Dodgers |
| Dane Lais | OR | Oregon City | 2023 | RHP | 2023 | 13 | Padres |
| Jackson Lamb | MI | Bedford | 2013 | RHP | 2016 | 35 | Cardinals |
| Ryan Lambert | MN | Minnetonka | 2021 | RHP | 2024 | 8 | Mets |
| Justin Lamkin | TX | Calallen | 2022 | LHP | 2025 | CB-B | Kansas City Royals |
| Joe Lampe | CA | Casa Grande | 2019 | OF | 2022 | 3 | Guardians |
| Joe Lancellotti | PA | William Penn Charter | 2017 | RHP | 2019 | 34 | Yankees |
| Simon Landry | LA | Ponchatoula | 2016 | 1B | 2018 | 22nd | Dodgers |
| Andrew Landry | LA | Northshore | 2020 | RHP | 2023 | 16 | Yankees |
| Carmine Lane | FL | American Heritage Delray | 2019 | 3B | 2022 | 19 | Marlins |
| Alex Lange | MO | Lee's Summit West | 2014 | RHP | 2017 | 1 | Cubs |
| Justin Lange | TX | Llano | 2020 | RHP | 2020 | CB Round A | San Diego Padres |
| Ty Langenberg | IA | Urbandale | 2020 | RHP | 2023 | 11 | Twins |
| Louis Philippe Langevin | QC | Ecole Secondaire de la Seigneurie | 2021 | RHP | 2024 | 4 | Royals |
| Dan Langfield | MA | Somerset | 2009 | RHP | 2012 | 3 | Reds |
| Wyatt Langford | FL | Trenton | 2020 | OF | 2023 | 1 | Rangers |
| Colby Langford | OK | Blanchard | 2021 | LHP | 2023 | 17 | Astros |
| Brett Langhorne | VA | Lee-Davis | 2014 | SS | 2018 | 10 | Braves |
| Austin Langworthy | FL | Williston | 2016 | OF | 2016 | 31 | Reds |
| Jake Lanning | IL | Hononegah | 2011 | 2B | 2015 | 24 | Braves |
| Cale Lansville | CO | ThunderRidge | 2021 | RHP | 2023 | 14 | Giants |
| Ethan Lanthier | MN | Northfield | 2021 | RHP | 2024 | 12 | Mets |
| Cullen Large | VA | James River | 2014 | SS | 2017 | 5 | Blue Jays |
| Conor Larkin | PA | Spring-Ford | 2017 | RHP | 2021 | 9 | Blue Jays |
| Ethan Larrison | IN | Shelbyville | 2014 | RHP | 2018 | 16 | Diamondbacks |
| Kyle Larsen | FL | TNXL Academy | 2021 | RHP | 2021 | 18 | Texas Rangers |
| Ashton Larson | KS | St. Thomas Aquinas | 2023 | OF | 2023 | 20 | Twins |
| Blake Larson | FL | IMG Academy | 2024 | LHP | 2024 | CB-B | White Sox |
| Donovan Lasalle | LA | Barbe | 2023 | OF | 2023 | 19 | Royals |
| Luke Lashutka | OH | St. Ignatius | 2020 | RHP | 2024 | 19 | Marlins |
| Adam Laskey | NJ | Haddon Heights | 2016 | LHP | 2016 | 31 | Giants |
| Ryan Lasko | NJ | Jackson Memorial | 2020 | OF | 2023 | 2 | Athletics |
| Will Latcham | PA | Cardinal O'Hara | 2014 | RHP | 2017 | 17 | Cardinals |
| Carson Latimer | BC | Sands | 2022 | RHP | 2025 | 12 | Cincinnati Reds |
| Jake Latz | IL | Lemont | 2014 | LHP | 2017 | 5 | Rangers |
| Eric Lauer | OH | Midview | 2013 | LHP | 2016 | 1 | Padres |
| Gavin Lauridsen | CA | Foothill High | 2025 | RHP | 2025 | 13 | Milwaukee Brewers |
| Nathan Lavender | IL | El Paso | 2018 | LHP | 2021 | 14 | New York Mets |
| Justin Lavey | WI | Tremper | 2016 | 3B | 2016 | 39 | White Sox |
| Jace LaViolette | TX | Tompkins | 2022 | OF | 2025 | 1 | Cleveland Guardians |
| Colson Lawrence | AL | Hoover | 2020 | OF | 2023 | 13 | Marlins |
| Holden Laws | NC | South Granville | 2018 | LHP | 2018 | 16 | Seattle Mariners |
| Carson Laws | TX | Antonian College Prep | 2022 | RHP | 2025 | 14 | Miami Marlins |
| Cortland Lawson | VA | Dominion | 2019 | SS | 2022 | 14 | Nationals |
| Justin Lawson | LA | Winnfield | 2019 | RHP | 2023 | 15 | Mets |
| Brendan Lawson | ON | Lawrence Park | 2024 | SS | 2024 | 19 | Cardinals |
| Aidan Layton | PA | Bishop McCort | 2020 | RHP | 2024 | 17 | Athletics |
| Derrick Layton | NC | Charlotte Christian | 2024 | SS | 2024 | 6 | Orioles |
| Max Lazar | FL | Coral Springs | 2017 | RHP | 2017 | 11 | Brewers |
| Landon Leach | ON | Pickering | 2017 | RHP | 2017 | 2 | Twins |
| Cameron Leary | SC | P 27 Academy | 2020 | OF | 2024 | 10 | Athletics |
| 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 |
| Cameron Lee | MO | Father Tolton Regional Catholic | 2024 | OF | 2025 | 9 | Baltimore Orioles |
| Marcus Lee Sang | MD | Northern | 2019 | OF | 2019 | 11th | Phillies |
| Meridian Leffew | NC | Gaston Christian | 2025 | SS | 2025 | 19 | Detroit Tigers |
| 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 | 2022 | NDFA | Philadelphia Phillies |
| Jack Leiter | NJ | Delbarton | 2019 | RHP | 2021 | 1 Pick 2 | Rangers |
| Cam Leiter | NJ | Central Regional | 2022 | RHP | 2025 | 2 | Los Angeles Dodgers |