| Special Olympics Ontario - Central Ontario, Barrie - No Physical Address, Special Olympics Ontario - Barrie Chapter | Barrie |
| Special Olympics Ontario - Central Ontario, Collingwood and District - Mailing Address, Special Olympics Ontario - Collingwood and District Chapter | Collingwood |
| Special Olympics Ontario - Central Ontario, Huronia - Mailing Address, Special Olympics Ontario - Huronia Chapter | Midland |
| Special Olympics Ontario - Central Ontario | Ontario |
| Special Olympics Ontario - Central Ontario, Orillia - No Physical Address, Special Olympics Ontario - Orillia Chapter | Orillia |
| Special Olympics Ontario - Central Ontario, South Simcoe - Mailing Address, Special Olympics Ontario - South Simcoe Chapter | New Tecumseth |