| OFSAA 2023 Girls Field Hockey Participants |
| ASSOCIATIONS | TEAMS | HOMETOWN |
| CISAA | Appleby College | Oakville |
| COSSA | Haliburton Highlands Secondary School | Haliburton |
| CWOSSA | Bluevale Collegiate Institute | Waterloo |
| CWOSSA | Wateroo-Oxford District Secondary School | Baden |
| EOSSAA | Holy Cross Catholic Secondary School | Kingston |
| EOSSAA | Frontenac Secondary School | Kingston |
| GHAC | Oakville Trafalgar High School | Oakville |
| GHAC | Craig Kielburger Secondary School | Milton |
| LOSSA | Brooklin High School | Whitby |
| NCSSAA | Merivale High School | Nepean |
| ROPSSAA | Clarkson Secondary School | Mississauga |
| SOSSA | Saltfleet District Secondary School | Hamilton |
| TDCAA | Michael Power/St Joseph High School | Etobicoke |
| TDSSAA | Birchmount Park Collegiate Institute | Toronto |
| WOSSA | South Huron District High School | Exeter |
| YRAA | Bill Crothers Secondary School | Markham |
