PBR Ontario Commitments
| Name | State | School | Class | Pos. | Commitment |
| Carter Aarts | ON | Ingersoll District | 2024 | OF | Niagara |
| Ash Abols | ON | Royal St. Georges | 2022 | C | Laurier University |
| Ben Abram | ON | Georgetown District | 2018 | RHP | Oklahoma |
| Charlie Adams | ON | Westmount | 2022 | SS | Marshalltown CC |
| Griffin Adams | ON | Upper Canada College | 2024 | RHP | Skidmore College |
| Angus Adams | ON | Longfields Davidson Heights | 2018 | RHP | Elmira College |
| Liam Adamson | ON | Oakridge | 2023 | RHP | Illinois |
| Seth Ainsworth | ON | N/A | 2024 | RHP | Hutchinson CC |
| Kevin Akiyama | ON | Milliken Mills | 2021 | 2B | Lakeland CC |
| Faisal Al Ajeel | ON | Bur Oak | 2021 | LHP | Truman State |
| Luca Alagheband | ON | Crescent | 2024 | LHP | Harvard |
| Lucas Alberti | ON | Humberside Collegiate | 2024 | OF | George Mason |
| Manny Alberto | ON | Dr.G .W Williams | 2022 | SS | McLennan CC |
| Brad Aldred | ON | Anderson Collegiate | 2016 | 3B | British Columbia |
| Marquez Allard | ON | St. Mary's CSS | 2023 | LHP | South Suburban JC |
| Ryan Allard | ON | Ecole Secondaire Garneau | 2025 | RHP | Allen CC |
| Russell Allen | ON | Forest Hill Collegiate Institute | 2022 | OF | Wilfrid Laurier |
| Isaac Allison | ON | Brock | 2024 | SS | Cayuga CC |
| Griffin Almond | ON | Georgian Bay Community | 2021 | RHP | Connors State JC |
| Tanner Almond | ON | Georgian Bay Community | 2021 | OF | Connors State JC |
| Alan Altuna | ON | John Fraser | 2023 | RHP | Notre Dame College |
| Julian Alvarez | ON | Tommy Douglas | 2023 | RHP | McCook CC |
| Ricardo Alvarez de Lugo | ON | Our Lady of Mount Carmel | 2017 | OF | Coffeyville CC |
| Trevor Alzner | ON | Uxbridge | 2024 | RHP | Centennial College |
| Tyson Amankrah | ON | Loyola Catholic | 2023 | OF | Allen CC |
| Connor Ambrogio | ON | Catholic Central | 2018 | RHP | Brock University |
| Tyler Amlin | ON | Sandwich | 2023 | OF | St. Clair College |
| Sam Andersen | ON | Royal St. George's College | 2025 | SS | Dartmouth |
| Joshua Anderson | ON | Ajax | 2019 | SS | Southeastern CC (IA) |
| Jack Anderson | ON | Bluevale Collegiate | 2017 | LHP | Hofstra |
| Royce Ando | ON | John Fraser Secondary School | 2015 | SS | Michigan State |
| Niklas Andonovsky | ON | Bill Crothers | 2023 | 2B | Lander University |
| Dean Angelo | ON | St. Michaels College School | 2015 | C | Trinity University (TX) |
| Iyad Ansari | ON | Orchard Park | 2023 | C | Pensacola State |
| Thomas Anthony | ON | Humberside CI | 2023 | RHP | Wittenberg University |
| Kody Anton | ON | N/A | 2015 | 2B | Itasca CC |
| Hunter Appleyard | ON | St. Thomas of Villanova | 2021 | OF | St. Clair College |
| Mikael Aqui | ON | St. Robert Catholic | 2021 | RHP | Toronto Metropolitan |
| Carter Arbuthnot | ON | Maxwell Heights | 2019 | SS | Niagara County CC |
| Jax Arcuri | ON | Ecole Saint Jean De Brebeuf | 2023 | C | Jamestown CC |
| Colby Ariss | ON | Our Lady of Lourdes Catholic | 2022 | SS | Ottawa |
| Aidan Armitage | ON | Sir John A MacDonald Secodary School | 2019 | RHP | Saint Francis (IN) |
| Darius Armorer | ON | Sinclair | 2020 | OF | Bossier Parish CC |
| Jamal Armstrong | ON | Richview Collegiate | 2019 | OF | St. Clair County CC |
| Rohan Arnold | ON | Ursuline College Chatham | 2025 | OF | Illinois Valley CC |
| Bryce Arnold | ON | Blessed Trinity | 2020 | SS | Campbell |
| Cam Arnold | ON | Iroquois Ridge | 2018 | OF | Queens University (ON) |
| James Aronowicz | ON | Sinclair | 2024 | SS | Durham College |
| Thomas Aronowicz | ON | Sinclair | 2020 | LHP | Southeastern CC (IA) |
| Ryan Arora | ON | Lorne Park | 2024 | RHP | Rochester |
| Luke Arruda | ON | Oakville Trafalgar | 2022 | OF | Laurentian |
| Nathan Arruda | ON | St. Edmund Campion | 2015 | RHP | Odessa JC |
| William Arsenault | ON | St Charles College | 2024 | RHP | Laurentian |
| Philip Arturi | ON | Jean Vanier catholic | 2023 | RHP | Cornerstone University |
| Evan Ashe | ON | N/A | 2022 | C | Southwest Tennessee CC |
| Tyler Ashwin | ON | Paul Dwyer | 2021 | 3B | Onondaga CC |
| Joshua Ashwin | ON | Paul Dwyer | 2023 | OF | Durham College |
| Damien Aston | ON | Brooklin | 2023 | OF | Erie CC |
| Thomas Atkinson | ON | Mother Theresa | 2016 | RHP | Lake Michigan JC |
| Evan Atkinson | ON | John McCrae | 2022 | C | Ottawa |
| Arjun Aujla | ON | Bayview | 2020 | OF | Adrian College |
| Mason Ault | ON | Ancaster | 2025 | C | East Tennessee State |
| Joshua Awad | ON | St Anne's Catholic | 2025 | RHP | St. Clair County CC |
| Braden Babcock | ON | Maxwell Heights | 2018 | LHP | McCook CC |
| Jordan Bahnuk | ON | College Avenue | 2018 | RHP | Indian Hills CC |
| Kimani Bailey | ON | Sandwich | 2018 | 1B | Cuyahoga CC |
| Parker Bailey | ON | Leaside | 2022 | RHP | Toronto Metropolitan |
| Jayden Bailey | ON | Collingwood Collegiate | 2024 | LHP | Eastern Michigan |
| Liam Bailie-Jackson | ON | St. Maximilian Kolbe | 2025 | SS | Garrett JC |
| Joseph Baka | ON | A.N. Myer | 2024 | LHP | Canisius |
| Evan Baker | ON | Maxwell Heights | 2022 | RHP | Prairie State JC |
| Cameron Baker | ON | Mississauga | 2024 | C | Southwest Tennessee CC |
| Udhay Bal | ON | Heart Lake | 2019 | SS | Mount St. Mary's |
| Jordan Balazovic | ON | St. Martin's Collegiate SS | 2016 | RHP | Auburn |
| Noah Baldin | ON | St. Joseph | 2022 | SS | Queens University (ON) |
| Hunter Ballantyne | ON | North Park Collegiate and Vocational School | 2023 | RHP | Bay College |
| Aethan Ballen | ON | St. Michael Catholic | 2022 | RHP | Centennial College |
| Nicholas Balodemas | ON | Donald A. Wilson | 2023 | SS | York University |
| William Baltrusiunas | ON | Notre Dame | 2023 | 1B | Fanshawe College |
| Johnny Banks | ON | Silverthorn Collegiate Institute | 2023 | - | Wilfrid Laurier |
| Ethan Baptie | ON | Resurrection Catholic | 2019 | OF | Dodge City CC |
| Ryan Barbeau | ON | Saint Charles Garnier | 2025 | C | Tompkins Cortland CC |
| Francesco Barbieri | ON | St. Francis Xavier | 2019 | OF | North Iowa Area CC |
| Anthony Barbosa | ON | St. Marys | 2023 | OF | Lakeland CC |
| Ty Barclay | ON | N/A | 2016 | C | Garden City CC |
| Matt Bardoel | ON | St. Anne | 2018 | LHP | Sheridan College |
| Carson Barker | ON | Banting Memorial | 2019 | 3B | Genesee CC |
| Darius Barlas | ON | Robert F. Hall | 2015 | RHP | Mary |
| Braeden Barnett | ON | Innisdale | 2018 | 3B | Frontier CC |
| Callum Baron | ON | Lockerby Composite | 2024 | LHP | Wilfrid Laurier |
| Callum Baron | ON | Lockerby | 2024 | LHP | Wilfrid Laurier |
| Kurt Barr | ON | University Liggett | 2022 | RHP | Michigan |
| Deagan Barr | ON | St. Anne Catholic | 2026 | RHP | Michigan |
| Preston Barr | ON | University Liggett | 2024 | 3B | Michigan |
| Malkolm Barrett | ON | David Suzuki | 2018 | RHP | Dodge City CC |
| Jack Barry | ON | Uxbridge | 2024 | OF | Acadia |
| Lukas Barry | ON | St Aloysius Gonzaga | 2019 | RHP | St. Louis |
| Austin Barton | ON | Grand River Collegiate | 2024 | RHP | Niagara County CC |
| Ben Barzo | ON | Orillia | 2021 | C | Toronto Metropolitan |
| Lucas Bateman | ON | Waterloo Collegiate Institute | 2021 | C | Kankakee CC |