OFSAA 2023 Boy’s Baseball Championship
| GOLD | Our Lady of Mount Carmel (ROPSSAA) 4 – 0 St Thomas of Villanova Catholic Secondary School (SWOSSAA) |
| BRONZE | Bishop Allen Academy (TDCAA) 1 1 – 3 Humberside Collegiate Institute (TDSSAA) |
| Semi-final 1 | Our Lady of Mount Carmel (ROPSSAA) 7 – 1 Bishop Allen Academy (TDCAA) |
| Semi-final 2 | Humberside Collegiate Institute (TDSSAA) 4 – 7 St Thomas of Villanova Catholic Secondary School (SWOSSAA) |
Our Lady of Mount Carmel Catholic Secondary School – ROPSSAA
Participants
| Association | Seed | East Teams |
| CISAA | 7 | Crescent School |
| COSSA | 9 | St Theresa Catholic Secondary School |
| EOSSAA | 5 | St Michael Catholic High School |
| LOSSA | 2 | Sinclair Secondary School |
| NCSSAA | 8 | St Joseph High School |
| TDCAA | 1 | Bishop Allen Academy |
| TDCAA | 6 | Neil McNeil High School |
| TDSSAA | 3 | Humberside Collegiate Institute |
| YRAA | 4 | St Maximillian Kolbe Catholic High School |
| Association | Seed | West Teams |
| CWOSSA | 9 | St James Catholic High School |
| GBSSA | 7 | Bradford High School |
| GHAC | 4 | Notre Dame Catholic Secondary School |
| NOSSA | 5 | St Charles College |
| ROPSSAA | 6 | Our Lody of Mount Carmel Catholic Secondary School |
| SOSSA | 2 | A N Myer Secondary School |
| SWOSSAA | 1 | St Thomas of Villanova Catholic Secondary School |
| SWOSSSAA | 3 | St Anne Catholic High School |
| WOSSAA | 8 | Mitchell High School |
