Starting with K
| Station name | Area | |
|---|---|---|
| KCC Live | Knowsley | |
| KCFM 99.8 | Hull and East Yorkshire | |
| KCLR 96FM | Carlow and Kilkenny | |
| Keith Community Radio | Keith | |
| 97.5 Kemet FM | Nottingham | |
| BBC Kent | Kent | |
| Kerrang! Radio | West Midlands, Digital - Various | |
| Radio Kerry | Kerry | |
| 107.6 Kestrel FM | Basingstoke | |
| Key 103 | Greater Manchester | |
| Kfm | Kildare | |
| KIC FM | Wolverhampton & Walsall | |
| Kidderminster Hospital Radio | Kidderminster Acute Hospital | |
| Radio King's | King's College Hospital, London | |
| Kingdom FM | Fife | |
| Kingstown Radio | Hull Royal Infirmary, Castle Hill Hospital and Beverley Westwood Hospital | |
| Kinnaird Radio | Fraserburgh | |
| Kismat Radio | Greater London, Digital - Bradford & Huddersfield | |
| Kiss 100 | Greater London, Digital - Various | |
| Kiss 101 | Severn Estuary, Digital - South Wales and Severn Estuary | |
| Kiss 105-108 | East of England, Digital - Various | |
| KL.FM 96.7 | King's Lynn & West Norfolk | |
| kmfm (Canterbury) | Canterbury, Whitstable and Herne Bay | |
| kmfm (Medway) | Medway Towns | |
| kmfm (West Kent) | Tunbridge Wells and Sevenoaks | |
| kmfm (Thanet) | Thanet and Sandwich | |
| kmfm (Ashford) | Ashford | |
| kmfm (Maidstone) | Maidstone | |
| kmfm (Shepway and White Cliffs Country) | Folkestone and Dover | |
| kmfm Extra | Digital - Kent | |
| KUBE Radio | Keele University |
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