Player Draft
| Name | State | School | Class | Pos. | Year | Round | Team |
| Carter Jensen | MO | Park Hill | 2021 | C | 2021 | 3rd | Royals |
| Andre Jernigan | IN | Homestead | 2012 | SS | 2016 | 14 | Twins |
| Eli Jerzembeck | NC | Providence | 2022 | RHP | 2025 | 11 | Chicago Cubs |
| Jordan Jess | WI | Ripon | 2011 | LHP | 2016 | 31 | Pirates |
| Brody Jessee | AK | South Anchorage | 2019 | RHP | 2022 | 10 | Reds |
| Luke Jewett | CA | JSerra | 2021 | RHP | 2024 | 8 | Rockies |
| Daniel Jimenez | IL | St. Charles North | 2008 | LHP | 2009 | 23 | Braves |
| Aiden Jimenez | CA | Elk Grove | 2022 | RHP | 2025 | 5 | Kansas City Royals |
| Antonio Jimenez | FL | Archbishop McCarthy | 2023 | SS | 2025 | 3 | New York Mets |
| Daniel Jipping | MI | Plymouth Christian Academy | 2014 | OF | 2017 | 22 | Rockies |
| Jackson Jobe | OK | Heritage Hall | 2021 | RHP | 2021 | 1 | Tigers |
| Brayden Jobert | LA | Northshore | 2019 | 1B | 2023 | 12 | Cardinals |
| Samuel Johns | IL | Civic Memorial | 2009 | RHP | 2014 | 31 | Nationals |
| Kevin Johnson | IL | Mount Carmel | 2009 | RHP | 2013 | 24 | Athletics |
| Chad Johnson | IL | Galesburg | 2012 | C | 2012 | 5 | Royals |
| Drasen Johnson | IL | Illinois Valley Central | 2010 | RHP | 2015 | 26 | Rockies |
| Cooper Johnson | IL | Carmel Catholic | 2016 | C | 2016 | 28 | Reds |
| Spencer Johnson | MO | Parkview | 2012 | 1B | 2016 | 16 | Astros |
| Colton Johnson | IL | Kewanee | 2016 | LHP | 2021 | 16 | Oakland Athletics |
| Boby Johnson | MO | Miller | 2015 | - | 2018 | 16 | Rockies |
| Brett Johnson | IL | Joliet West | 2018 | SS | 2022 | 10 | Diamondbacks |
| Dominic Johnson | OK | Edmond Santa Fe | 2020 | OF | 2022 | 13 | Tigers |
| Lebarron Johnson | FL | Paxon School/Advanced Studies | 2020 | RHP | 2024 | 5 | Rockies |
| Tyler Johnson | VA | Trinity Episcopal | 2014 | RHP | 2017 | 5 | White Sox |
| Jared Johnson | MS | Smithville | 2019 | RHP | 2019 | 14 | Braves |
| Preston Johnson | MS | Copiah Academy | 2018 | RHP | 2022 | 7 | Orioles |
| Christian Johnson | MS | Clinton | 2019 | OF | 2019 | 19 | Rays |
| Ryan Johnson | TX | Home School | 2021 | RHP | 2024 | 2C | Angels |
| Marcus Johnson | CA | Etiwanda | 2019 | RHP | 2022 | 4 | Marlins |
| Ty Johnson | IN | Lawrence North | 2020 | RHP | 2023 | 15 | Cubs |
| Termarr Johnson | GA | Mays | 2022 | SS | 2022 | 1st | Pittsburgh Pirates |
| Brandon Johnson | AL | Brookwood | 2017 | RHP | 2022 | 9 | Royals |
| Ryan Johnson | AZ | Seton Catholic | 2019 | SS | 2023 | 8 | Astros |
| Seth Johnson | NC | Jay M Robinson | 2016 | RHP | 2019 | CBA | Tampa Bay Rays |
| Luke Johnson | MD | Cape Henlopen (DE) | 2020 | SS | 2024 | 10 | Nationals |
| Cameron Johnson | FL | IMG Academy | 2023 | LHP | 2023 | 20 | Cardinals |
| Ben Johnson | GA | Providence Christian | 2020 | RHP | 2024 | 17 | Cubs |
| Bjorn Johnson | WA | Lincoln | 2023 | LHP | 2023 | 12 | Brewers |
| Carter Johnson | AL | Oxford | 2024 | SS | 2024 | 2 | Marlins |
| Jacob Johnson | MS | Pearl River Central | 2024 | RHP | 2025 | 11 | Texas Rangers |
| Reid Johnston | NC | Rocky Mount Academy | 2017 | RHP | 2021 | 19 | Cleveland Indians |
| Will Johnston | TX | Keller | 2019 | OF | 2023 | 13 | Athletics |
| Nolan Jones | PA | Holy Ghost Prep | 2016 | SS | 2016 | 2 | Indians |
| Gavin Jones | MO | Smith-Cotton | 2017 | SS | 2019 | 27 | Athletics |
| Tyler Jones | KS | Andale | 2014 | RHP | 2018 | 26 | Marlins |
| Matt Jones | ON | Sinclair HS | 2016 | LHP | 2016 | 28 | Twins |
| Pierce Jones | IL | Marian Catholic | 2019 | OF | 2019 | 26 | Padres |
| Hayden Jones | IN | Carroll | 2018 | C | 2021 | Free Agent | Reds |
| Greg Jones | NC | Cary | 2017 | SS | 2019 | 1 | Tampa Bay Rays |
| Carson Jones | VA | Deep Run | 2019 | OF | 2023 | 15 | Mariners |
| Austin Jones | WI | Wauwatosa West | 2013 | RHP | 2016 | 26 | Cubs |
| Breyln Jones | NJ | Rutherford | 2019 | SS | 2019 | 29 | Dodgers |
| Kyle Jones | MI | De La Salle | 2018 | RHP | 2022 | 7 | Twins |
| Jonathan Jones | TX | Manvel | 2018 | RHP | 2019 | 31st | Milwaukee Brewers |
| Brock Jones | CA | Buchanan | 2019 | OF | 2022 | 2 | TB |
| Spencer Jones | CA | La Costa Canyon | 2019 | OF | 2022 | 1 | Yankees |
| Jared Jones | CA | La Mirada | 2020 | RHP | 2020 | 2 | Pittsburgh |
| Brayden Jones | MS | Madison-Ridgeland Academy | 2021 | RHP | 2025 | 18 | Tampa Bay Rays |
| Brendan Jones | TN | Goodpasture Christian | 2021 | OF | 2024 | 12 | Yankees |
| Druw Jones | GA | Wesleyan | 2022 | OF | 2022 | 1st | Arizona Diamondbacks |
| Tanner Jones | AL | Thorsby | 2021 | RHP | 2024 | 6 | Royals |
| Jared Jones | GA | Walton | 2022 | 1B | 2025 | 9 | Pittsburgh Pirates |
| Brady Jones | GA | Decatur | 2022 | RHP | 2025 | 12 | Tampa Bay Rays |
| Deundre Jones | TX | Lutheran South | 2022 | 1B | 2022 | 17 | Red Sox |
| Elijah Jones | GA | Starr's Mill | 2021 | RHP | 2024 | 7 | Twins |
| Sir Jamison Jones | IL | St. Rita | 2024 | C | 2024 | 15 | Nationals |
| Gavyn Jones | TX | White Oak | 2023 | LHP | 2023 | 18 | Mets |
| Colby Jones | FL | Holmes County | 2022 | SS | 2024 | 13 | Braves |
| Keith Jones II | CA | Heritage | 2020 | OF | 2024 | 9 | Rangers |
| Blaze Jordan | MS | DeSoto Central | 2020 | 3B | 2020 | 3 | Red Sox |
| Dexter Jordan | MS | Hattiesburg | 2018 | OF | 2019 | 16 | AStros |
| Dakota Jordan | MS | Jackson Academy | 2022 | OF | 2024 | 4 | Giants |
| Dylan Jordan | FL | Viera | 2024 | RHP | 2024 | 5 | Angels |
| Tavian Josenberger | MO | Park Hill | 2020 | OF | 2023 | 3 | Orioles |
| Zach Joyce | TN | Farragut | 2018 | RHP | 2023 | 14 | Angels |
| Ben Joyce | TN | Farragut | 2018 | RHP | 2022 | 3 | Angels |
| Jimmy Joyce | NY | Wantagh | 2017 | SS | 2021 | 16 | Seattle Mariners |
| Nicholas Judice | LA | Catholic(BR) | 2019 | RHP | 2023 | 8 | Yankees |
| Hayden Juenger | IL | O'Fallon | 2018 | RHP | 2021 | 6 | Toronto Blue Jays |
| Gage Jump | CA | JSerra | 2021 | LHP | 2024 | CB-B | Athletics |
| Jace Jung | TX | MacArthur | 2019 | 2B | 2022 | 1 | Tigers |
| Landry Jurecka | AR | Greenwood | 2021 | RHP | 2025 | 18 | San Diego Padres |
| Evan Justice | VA | Collegiate School | 2017 | LHP | 2021 | 5 | Rockies |
| Anthony Justiniano | IL | Clemente | 2014 | SS | 2014 | 38 | White Sox |
| Francisco Justo | NY | James Monroe | 2016 | RHP | 2018 | 12th | St. Louis Cardinals |
| Andrew Kachel | CA | Christopher | 2019 | SS | 2022 | 16 | Giants |
| Kevin Kaczmarski | IL | Prarie Ridge | 2010 | OF | 2015 | 9 | Mets |
| Connor Kaiser | KS | Blue Valley West | 2015 | SS | 2018 | 3 | Pirates |
| Brian Kalmer | AZ | Corona del Sol | 2019 | SS | 2023 | 18 | Cubs |
| Jace Kaminska | KS | Caney Valley | 2020 | RHP | 2023 | 10 | Rockies |
| Scott Kapers | IL | Mount Carmel | 2015 | C | 2018 | 17 | Rangers |
| Braden Kapteyn | IL | Illiana Christian | 2008 | 3B | 2011 | 15 | Red Sox |
| Nathan Karaffa | OH | Toronto | 2019 | SS | 2022 | 20 | Phillies |
| Ricky Karcher | MI | Saline | 2015 | RHP | 2017 | 13 | Reds |
| James Karinchak | NY | Valley Central | 2014 | - | 2017 | 9 | Indians |
| Anthony Karoly | FL | Villages Charter | 2022 | OF | 2025 | 17 | Seattle Mariners |
| Kyle Karros | CA | Mira Costa | 2020 | 3B | 2023 | 5 | Rockies |
| Jared Karros | CA | Mira Costa | 2019 | RHP | 2022 | 16 | Dodgers |
| Ryan Karstetter | FL | IMG Academy | 2015 | 3B | 2017 | 19 | Tigers |
| Joshua Kasevich | CA | Palo Alto | 2019 | SS | 2022 | 2 | Blue Jays |