| St. Mary's College Clady | |
| Location: | Clady, County Londonderry, Northern Ireland |
| Type: | Catholic School |
| Established: | 1963 |
St. Mary's College was a small rural secondary school in Clady, County Londonderry, Northern Ireland. In 2018, the school was amalgamated with St Paul's College Kilrea to form St Conor's College with a junior school at the Kilrea site.