St. Colman's Cathedral, Cloyne is a cathedral of the Church of Ireland in Cloyne, County Cork in Ireland. It is in the ecclesiastical province of Dublin. Originally a Roman Catholic cathedral, it was converted to an Anglican cathedral in 1678.

Cloyne is a village located to the southeast of Midleton in eastern County Cork. It is also a see city of the Anglican Diocese of Cork, Cloyne and Ross, while also giving its name to a Roman Catholic diocese. St Colman's Cathedral in Cloyne is a cathedral church of the Church of Ireland while the Pro Cathedral of the Roman Catholic Diocese of Cloyne, Cobh Cathedral of Saint Colman, overlooks Cork Harbour. Cloyne is within the Cork East Dáil constituency.