Starting with C
| Station name | Area | |
|---|---|---|
| C4 Radio | Canterbury Christ Church University, Canterbury | |
| C103 | Cork | |
| Radio Cabin | Herne Bay | |
| Caithness FM | Caithness | |
| Radio Calderdale | Calderdale Royal Hospital | |
| Calvary Chapel Radio | UK | |
| BBC Cambridgeshire | Cambridgeshire | |
| Canalside Community Radio | North-East Cheshire | |
| Canterbury Hospital Radio | Kent & Canterbury Hospital | |
| 95.8 Capital FM | Greater London | |
| Radio Cardiff | Cardiff | |
| Carillon Radio | Loughborough Hospital and Coalville Hospital, Ashby De La Zouch Hosptal, Oakham Hospital & Melton Mowbray Hospital Leicester & Rutland | |
| 97.1 Radio Carmarthenshire | Carmarthenshire | |
| Radio Caroline | UK | |
| Carpetright Radio | Carpetright stores | |
| Community Radio Castlebar | Castlebar | |
| Castledown Radio | Tidworth | |
| The CAT 1251 | Padgate Campus, The University of Chester | |
| Radio Cavell | The Royal Oldham Hospital | |
| Celtic Music Radio 1530AM | Glasgow & surrounding area | |
| 103.1 Central FM | Stirling, Falkirk and Clackmannanshire | |
| 106.5 Central Radio | Preston, Leyland and Chorley | |
| Radio Ceredigion | Cardigan Bay | |
| CFM | Cumbria & South West Scotland | |
| Channel 103 FM | Jersey | |
| Chelmsford Radio 107.7 | Chelmsford and mid-Essex | |
| Cheshire FM | Northwich, Winsford & Middlewich | |
| Chesterfield Hospital Radio | Chesterfield | |
| Chichester Hospital Radio | St Richards Hospital, Chichester | |
| Chill | Digital - Greater London & Birmingham | |
| Choice FM | North London and South London, Digital - Various | |
| Chorley FM | Chorley | |
| Chrystal Radio | Sheffield Children's NHS Foundation Trust Hospital | |
| Radio City 96.7 | Liverpool | |
| City Talk 105.9 | Liverpool | |
| Citybeat 96.7 102.5FM | Belfast, Digital - Northern Ireland | |
| Clare FM | Clare | |
| Claremorris Community Radio | Claremorris | |
| Classic FM | UK | |
| Radio Clatterbridge | Clatterbridge Hospital, Wirral | |
| Click | Teesside University | |
| 102.5 Clyde 1 | Glasgow and West Central Scotland | |
| Clyde 2 | Glasgow and West Central Scotland | |
| CMRPlus Radio | ||
| Co-Op Live | ||
| The Coast | Solent, Digital - Bournemouth and South Hampshire | |
| Colourful Radio | Digital - Greater London | |
| Community Voice FM | Middlesborough | |
| Compass FM | Grimsby | |
| Connect FM | Kettering, Corby and Wellingborough | |
| Connemara Community Radio | North West Connemara | |
| Cool FM | Belfast, Digital - Northern Ireland | |
| Radio Corca Baiscinn (South West Clare Community Radio) | Kilrush | |
| Cork Campus Radio | Cork | |
| Cork's 96FM | Cork | |
| BBC Cornwall | Cornwall | |
| Costcutter InTune Radio | Costcutter Stores | |
| County Sound Radio 1566 MW | Surrey and North East Hampshire | |
| BBC Coventry and Warwickshire | Coventry and Warwickshire | |
| Crash.net Radio | Internet | |
| CRMK | Cable - Milton Keynes | |
| Cross Rhythms Plymouth 96.3fm | Plymouth | |
| Cross Rhythms City Radio | Stoke-on-Trent and Newcastle-under-Lyme | |
| Cross Rhythms Teesside | Teesside | |
| CRUSH 1278am | University of Hertfordshire | |
| CSR | Canterbury | |
| CUH FM Hospital Radio | Cork University Hospital | |
| Cuillin FM | Skye and Lochalsh | |
| BBC Cumbria | Cumbria | |
| CUR1350 | Cambridge and Anglia Ruskin Universities | |
| BBC Radio Cymru | Cymru | Wales |
Filter this list for just local, national, student, hospital or in-store radio stations