The Dr O'Callaghan Cup, officially known as the Cork Post-Primary Schools Senior A Hurling Championship, is an annual inter-school hurling competition organised by the Cork Post-Primary Schools division of the Cork County Board of the Gaelic Athletic Association (GAA).

It is the highest inter-school hurling competition in the county of Cork.

The final, currently held in March, serves as the culmination of a knockout series of games played between October and March.

It is a stand-alone competition and runs concurrently with the Dr Harty Cup.

Nine teams currently participate in the Dr O'Callaghan Cup.