Player Draft
| Name | State | School | Class | Pos. | Year | Round | Team |
| Tyler Kent | OH | Grove City | 2012 | OF | 2016 | 26 | Phillies |
| Zachary Kent | VA | Northumberland | 2016 | RHP | 2019 | 9th | Rangers |
| Nic Kent | VA | St. Anne's Belfield | 2018 | SS | 2021 | 11 | Rockies |
| Barrett Kent | TX | Pottsboro | 2023 | RHP | 2023 | 8 | Angels |
| Orion Kerkering | FL | Venice | 2019 | RHP | 2022 | 5 | Phillies |
| Kade Kern | OH | Archbold | 2020 | OF | 2023 | 17 | Braves |
| Grae Kessinger | MS | Oxford | 2016 | SS | 2019 | 2 | Astros |
| Caleb Ketchup | GA | Holy Innocents' Episcopal | 2020 | SS | 2023 | 15 | Angels |
| Clayton Keyes | AB | Okotoks Dawgs Academy | 2017 | OF | 2017 | 15 | Diamondbacks |
| Robby Kidwell | MD | Chopticon | 2015 | C | 2017 | 36 | Mets |
| Gavin Kilen | WI | Milton | 2022 | SS | 2022 | 13 | Red Sox |
| Keylan Killgore | KS | Wichita Heights | 2015 | LHP | 2018 | 17 | Phillies |
| Kevin Kilpatrick | GA | Redan | 2019 | OF | 2022 | 17 | Braves |
| Corey Kimes | IL | Ottawa | 2008 | LHP | 2011 | 18 | Twins |
| Will Kincanon | IL | Riverside-Brookfield | 2014 | RHP | 2017 | 11 | White Sox |
| Alex King | KS | Saint James Academy | 2014 | SS | 2018 | 35 | Diamondbacks |
| Lamar King | MD | Calvert Hall | 2022 | C | 2022 | 4 | Padres |
| Joseph King | CA | Woodside | 2019 | RHP | 2022 | 9 | Cardinals |
| William King | FL | IMG Academy | 2021 | C | 2023 | 20 | Braves |
| Jimmy Kingsbury | PA | Malvern Prep | 2017 | RHP | 2021 | 17 | Mariners |
| Brett Kinneman | PA | West York | 2015 | OF | 2018 | 7 | Pirates |
| Cooper Kinney | TN | Baylor | 2021 | 3B | 2021 | Comp Balance A | Tampa Bay Rays |
| George Kirby | NY | Rye | 2016 | RHP | 2019 | 1 | Mariners |
| Michael Kirian | OH | New Riegel | 2017 | LHP | 2021 | 6 | Washington Nationals |
| Alex Kirilloff | PA | Plum | 2016 | OF | 2016 | 1 | Twins |
| Trevor Kirk | NC | North Raleigh Christian Academy | 2019 | RHP | 2022 | 20 | Yankees |
| Cole Kirschsieper | IL | Lincoln-Way East | 2019 | LHP | 2022 | 12 | Marlins |
| Brady Kirtner | VA | Christiansburg | 2020 | RHP | 2023 | 12 | Mets |
| George Klassen | WI | Port Washington | 2020 | RHP | 2023 | 6 | Phillies |
| Blake Klassen | CA | JSerra | 2019 | 1B | 2022 | 17 | Nationals |
| Will Klein | IN | Bloomington North | 2017 | RHP | 2020 | 5 | Royals |
| Ben Klimesh | IL | New Trier | 2008 | RHP | 2012 | 15 | Reds |
| Landon Knack | TN | Science Hill | 2015 | RHP | 2020 | 2nd | Los Angeles Dodgers |
| Christian Knapczyk | IL | Joliet Catholic | 2020 | SS | 2023 | 5 | Guardians |
| Reiss Knehr | NY | St. Dominic | 2015 | SS | 2018 | 20th | San Diego Padres |
| Bill Knight | GA | Burke County | 2018 | SS | 2022 | 10 | Mariners |
| Michael Knorr | CA | Carlsbad | 2018 | RHP | 2022 | 3 | Astros |
| Josh Knoth | NY | Patchogue Medford | 2023 | RHP | 2023 | 1 - CBA | Milwaukee Brewers |
| Sam Knowlton | AL | Corner | 2018 | RHP | 2023 | 12 | Diamondbacks |
| Jordan Knutson | MO | Lee's Summit | 2013 | LHP | 2017 | 24 | Tigers |
| Jack Kochanowicz | PA | Harriton | 2019 | RHP | 2019 | 3 | Angels |
| Tanner Kohlhepp | WI | Eau Claire Memorial | 2018 | RHP | 2021 | 5 | Detroit Tigers |
| Taylor Kohlwey | WI | Holmen | 2012 | OF | 2016 | 21 | Padres |
| Ryan Kokora | CO | Fairview | 2014 | RHP | 2014 | 35 | Braves |
| 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 |
| Austin Krob | IA | Lisbon | 2018 | LHP | 2022 | 12 | Padres |
| Chase Krogman | MO | Lake St Louis Liberty | 2019 | OF | 2019 | 34 | White Sox |
| Ian Krol | IL | Neuqua Valley | 2009 | LHP | 2009 | 7 | Athletics |
| 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 High | 2011 | LHP | 2014 | 38 | Cardinals |
| Cade Kuehler | NC | Cuthbertson | 2020 | RHP | 2023 | 2-C | Braves |
| Tate Kuehner | IA | Marshalltown | 2019 | LHP | 2023 | 7 | Brewers |
| Sam Kulasingam | NC | Holly Springs | 2020 | SS | 2023 | 17 | Blue Jays |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 Acquinas | 2023 | OF | 2023 | 20 | Twins |
| Donovan Lasalle | LA | Barbe | 2023 | - | 2023 | 19 | Royals |
| 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 |
| Jake Latz | IL | Lemont | 2014 | LHP | 2017 | 5 | Rangers |
| Eric Lauer | OH | Midview | 2013 | LHP | 2016 | 1 | Padres |
| Nathan Lavender | IL | El Paso | 2018 | LHP | 2021 | 14 | New York Mets |
| Justin Lavey | WI | Tremper | 2016 | 3B | 2016 | 39 | White Sox |
| Colson Lawrence | AL | Hoover | 2020 | OF | 2023 | 13 | Marlins |
| Holden Laws | NC | South Granville | 2018 | LHP | 2018 | 16 | Seattle Mariners |
| Cortland Lawson | VA | Dominion | 2019 | SS | 2022 | 14 | Nationals |
| Justin Lawson | LA | Winnfield | 2019 | RHP | 2023 | 15 | Mets |