| Name | State | School | Class | Pos. | Commitment |
| Jude Abbadessa | NY | Union-Endicott | 2022 | RHP | Connecticut |
| Giovanni Abreu | NY | George Washington | 2014 | RHP | Hofstra |
| Tristen Abreu | NY | Minneola | 2022 | 2B | SUNY-Purchase |
| Keury Abreu | NY | St. Raymond's | 2018 | 3B | Manhattan |
| Pedro Abreu | NY | Santa Teresa (D.R.) | 2015 | 3B | Keystone College |
| Jamie Abt | NY | Rye | 2019 | OF | Washington & Lee |
| Justin Acevedo | NY | Holy Cross | 2023 | SS | St. John's |
| Tyler Acevedo | NY | Minisink Valley | 2024 | SS | Mississippi |
| Ethan Acevedo | NY | Iona Prep | 2023 | OF | Coppin State |
| Jake Acker | NY | Sachem East | 2023 | C | Wesleyan University (CT) |
| Ty Acker | NY | Sachem East | 2021 | SS | George Washington |
| James Ackerman | NY | Smithtown East | 2022 | SS | Bridgeport |
| Kyle Ackley | NY | Arlington | 2014 | - | Iona |
| Jack Acquaviva | NY | Westmoreland | 2016 | RHP | Herkimer County CC |
| Robin Adames | NY | James Monroe | 2015 | 3B | Lamar |
| Trevor Adamo | NY | Connetquot | 2019 | OF | Coker College |
| Joey Adamo | NY | Bishop Ludden | 2023 | OF | Onondaga CC |
| David Adams | NY | Lockport | 2023 | RHP | SUNY-Fredonia |
| Ryan Adams | NY | West Babylon | 2024 | C | St. John's |
| Justin Adams | NY | Westlake | 2016 | 3B | Plattsburgh State |
| Kyle Adams | NY | Salisbury | 2014 | - | Richmond |
| William Adkins | NY | Oswego | 2021 | C | SUNY-Oneonta |
| Bryan Aduddle | NY | Williamsville North | 2020 | RHP | Canisius |
| Eric Agan | NY | Burnt Hills-Ballston Lake | 2020 | RHP | Plattsburgh State |
| Anthony Agostinelli | NY | Kings Park | 2023 | C | College of Staten Island |
| Jason Agresti | NY | John F. Kennedy | 2014 | - | Binghamton |
| Adam Agresti | NY | Kennedy Catholic | 2023 | C | St. John's |
| Angelo Agro | NY | Deer Park | 2021 | RHP | SUNY-Brockport |
| Alex Ahlstrom | NY | Dunkirk | 2022 | OF | Finger Lakes CC |
| Dawson Aitken | NY | Guilderland | 2020 | RHP | Skidmore College |
| Emman Ajewole | NY | Stony Brook | 2020 | OF | Gettysburg College |
| Aidan Albano | NY | St.Francis | 2021 | 1B | Ithaca College |
| Philip Albergo | NY | Monsignor Mcclancy | 2024 | C | Connors State JC |
| Seth Albert | NY | Fayetteville-Manlius | 2023 | OF | Clarkson University |
| Logan Alberto | NY | Bellport | 2023 | OF | Manhattanville College |
| Caden Albright | NY | Cortland | 2025 | SS | Binghamton |
| Tristan Aldinger | NY | Alexander | 2015 | RHP | Hilbert College |
| Matthew Alduino | NY | Yorktown | 2022 | LHP | Quinnipiac |
| Seven Alemais | NY | All Hallows | 2024 | C | Wake Forest |
| David Alessi | NY | St. Joseph's Collegiate Institute | 2022 | 2B | Medaille College |
| Bradford Alexander | NY | Trinity Pawling | 2023 | RHP | Saint Michael's |
| Matthew Alexander | NY | Jamesville DeWitt | 2021 | 2B | Bucknell |
| Marco Ali | NY | St. Anthony's | 2020 | SS | Marist |
| Matthew Alifano | NY | Center Moriches | 2019 | 3B | Adelphi University |
| Gregory Allard | NY | Averill Park | 2017 | RHP | Stony Brook |
| Kyle Allen | NY | Longwood | 2020 | 3B | New Haven |
| Zachary Allen | NY | McQuaid Jesuit | 2022 | OF | Potomac State JC of WV |
| Sam Allen | NY | Oswego | 2019 | 2B | SUNY-Oswego |
| Yeshayah Allis | NY | WNY Maritime Charter | 2021 | OF | Genesee CC |
| Ronald Almanzar | NY | Gregorio Luperon | 2022 | OF | Monroe College |
| Darian Almonte | NY | Tappan Zee | 2019 | 2B | Rockland CC |
| Jose Almonte | NY | Grand St. Campus | 2020 | RHP | Broward College |
| Victor Alongi | NY | Greece Athena | 2021 | 3B | Genesee CC |
| Cooper Alsworth | NY | Wellsville | 2019 | 2B | Onondaga CC |
| Vincenzo Alteri | NY | Immaculate Heart | 2017 | 2B | USMMA |
| Hayden Altimari | NY | St. Anthony's | 2018 | C | Penn State-Brandywine |
| Luis Alvarez | NY | Beacon HS | 2016 | - | Bucknell |
| Daniel Alvarez | NY | Fordham Prep | 2017 | SS | Pittsburgh |
| Reynaldo Alvarez | NY | Cristo Rey | 2014 | - | Alfred State College |
| Jace Alvino | NY | West Babylon | 2024 | 3B | Penn State |
| Jason Ambos | NY | Bay Shore | 2022 | OF | Central Florida |
| Mikey Ambrosecchia | NY | Mahopac | 2021 | SS | Concordia (NY) |
| Nick Amendolara | NY | Locust Valley | 2022 | C | Dean |
| Ben Anderson | NY | Shenendehowa | 2016 | C | Binghamton |
| Ian Anderson | NY | Shenendehowa | 2016 | RHP | Vanderbilt |
| Noah Anderson | NY | CBA-Albany | 2022 | OF | Mount St. Mary |
| JD Andreessen | NY | St. Marys | 2014 | - | Campbell |
| Michael Andrew | NY | Paul D. Schreiber | 2022 | LHP | Alvernia University |
| Jasper Andrianarivo | NY | Fort Hamilton | 2021 | 2B | Eastern Nazarene College |
| Reynaldo Angeles | NY | Benjamin Cardozo | 2021 | SS | Sullivan County CC |
| Alexander Angulo | NY | KIPP NYC College Prep | 2021 | SS | Gettysburg College |
| Leonard Anna | NY | Skaneateles | 2023 | SS | Bard College |
| Mathew Annunziata | NY | Eastport-South Manor | 2014 | 3B | Hofstra |
| Ryan Annunziato | NY | Glen Cove | 2023 | RHP | Saint Michael's |
| Patrick Anson | NY | Baldwinsville | 2020 | OF | Onondaga CC |
| Chaz Anthony | NY | Liverpool | 2023 | OF | Le Moyne College |
| David Antone | NY | Utica Proctor | 2019 | 3B | Frederick CC |
| Christopher Antonelli | NY | Archbishop Stepinac | 2020 | RHP | Felician College |
| Nick Antonello | NY | Liverpool | 2017 | RHP | SUNY-Oswego |
| Christian Antonopoulos | NY | Manhasset | 2022 | RHP | Salve Regina |
| Bijan Anvar | NY | Mamaroneck | 2021 | RHP | Franklin & Marshall |
| Carlos Anziani | NY | P27 Academy | 2020 | RHP | Michigan |
| Fabian Apicella | NY | Scholars Academy | 2022 | SS | SUNY-New Paltz |
| Alexander Apicella | NY | Sachem East | 2024 | SS | James Madison |
| Ryan Appell | NY | Connetquot | 2021 | 1B | St. Thomas Aquinas |
| Andrew Aragones | NY | Warwick | 2021 | RHP | Nichols College |
| Eric Arcangel | NY | Mott Haven | 2015 | OF | Sullivan County CC |
| CJ Archul | NY | Clarkstown South | 2021 | OF | Manhattanville College |
| Tyler Arella | NY | John Glenn | 2016 | LHP | Villanova |
| Anthony Armenia | NY | Connetquot | 2023 | 2B | Bridgeport |
| Matt Armstrong | NY | Orchard Park | 2021 | SS | John Carroll |
| Jack Arnold | NY | Canisius | 2019 | C | Mercyhurst |
| Stephen Arntsen | NY | East Port South Manor | 2014 | - | Manhattan |
| Henry Aronwald | NY | Trinity Pawling | 2023 | OF | Hamilton College |
| Anthony Arrichiello | NY | Westlake | 2022 | OF | Shenandoah |
| Nelson Arroyo | NY | John S. Burke Catholic | 2018 | RHP | Pace University |
| Luke Arvantides | NY | Baldwinsville | 2021 | LHP | Niagara |
| Michael Ascanio | NY | Byram Hills | 2021 | LHP | Plattsburgh State |
| AJ Aschettino | NY | Rocky Point | 2024 | SS | Northeastern |
| Jayden Asencio | NY | St John's the Baptist | 2022 | C | Merrimack College |