Local governments
| Name | Type | Notes |
|---|---|---|
| Cambridgeshire County Council | County Council | |
| Camden Borough Council | London Borough | |
| Cannock Chase DC | District Council | |
| Canterbury City Council | City Council | |
| Caradon District Council | District Council | |
| Cardiff Borough Council | City Council | |
| Cardiff City Council | City Council | |
| Cardiganshire County Council | County Council | |
| Carickmacross District Council | District Council | |
| Carlisle Borough Council | Borough Council | |
| Carlisle CC | City Council | |
| Carlow County Council | County Council | |
| Carlow UDC | District Council | |
| Carmarthen Borough Council | Borough Council | |
| Carmarthenshire County Council | County Council | |
| Carrickfergus | District Council | |
| Carshalton | District Council | |
| Castleford Borough Council | Borough Council | |
| Castleford UDC | District Council | |
| Castlereagh Borough Council | Borough Council |