Starting with R
| Station name | Area | |
|---|---|---|
| Raaj Radio | UK | |
| Radio Reverb | Brighton and Hove | |
| Radio Sonar | Southampton Solent University | |
| Rainbow Radio | Digital - Greater London | |
| Ram FM | Derby | |
| RamAir 1350am | Bradford University | |
| Ramjam Radio.Com | UK | |
| Ramsey Community Radio | Ramsey, Isle of Man | |
| Range Radio 1350am | Whalley Range High School, Manchester | |
| Rare FM | University College London | |
| RaW 1251AM | University of Warwick | |
| Reading 107fm | Reading | |
| Hospital Radio Reading | Royal Berkshire Hospital and Battle Hospital, Reading | |
| 100-102 Real Radio (North East) | North East England | |
| 105.4 Real Radio (North West) | North West England | |
| 100-101 Real Radio (Scotland) | Central Scotland | |
| 105-106 Real Radio (Wales) | South and South West Wales, Digital - South Wales and Severn Estuary | |
| 106-108 Real Radio (Yorkshire) | South and West Yorkshire, Digital - Yorkshire | |
| Red Dragon FM | Cardiff, Newport & Surrounding Areas | |
| Red FM 104-106 | Cork | |
| RED Radio | University of Essex, and Colchester and worldwide via onlonline stream | |
| Radio Redhill | East Surrey Hospital, Redhill | |
| Regional Hospital Radio 92.4FM | Dooradoyle, Limerick | |
| Resonance104.4fm | Bankside and South Bank, London | |
| 100.8 Revival FM | North Lanarkshire and East Dumbartonshire | |
| 96.2 The Revolution | Oldham | |
| Ridgeway Radio | Dorset County Hospital | |
| Ridings FM | Wakefield, Digital - Leeds | |
| RIFF | AfriStar - All | |
| Radio North Angus Ltd | Arbroath and Carnoustie, Digital - Dundee and Perth | |
| 97.4 Rock FM | Preston and Blackpool | |
| 96.3 Rock Radio (Scotland) | Paisley and Renfrewshire, Digital - Glasgow and Edinburgh | |
| 106.1 Rock Radio (Manchester) | Manchester, Digital - North East England | |
| Rookwood Sound Hospital Broadcasting | Rookwood Hospital, Cardiff, and Llandough Hospital, Penarth | |
| RosFM | Roscommon Town | |
| Rother FM | Rotherham | |
| Radio Rovers | Blackburn | |
| Radio Royal (Falkirk & Stirling) | Falkirk & District Royal Infirmary and Stirling Royal Infirmary | |
| Radio Royal (Bradford) | Bradford Royal Infirmary | |
| Royal 1 Radio | Glasgow Royal Infirmary | |
| RTÉ Europe | UK | |
| 107.1 Rugby FM | Rugby | |
| Rugby Hospital Radio | St Cross Hospital, Rugby | |
| Rutland Radio | Rutland and Stamford |
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