Stations
- Columbus, OH Fire
- Columbus, OH Police
- Columbus, OH Police Zones 1-5
- Coma.Fm
- comadreja y su musica
- Comala Radio
- Comando 88.5 FM
- Combat des Chretiens
- Combi Radio
- Combo Radio
- Comedy World Network – CWN Sports
- Comedy-Rock Radio
- Comète FM
- Comforter Radio
- COMIxTEN FM Community Radio Tenjin
- Commack Fire District
- Commish Radio
- Commodexplorer Radio
- Communiceren Radio
- Community Radiio WERU FM – WERU-FM
- Community Radio – KZFR
- Community Radio Castelbar (CRC FM)
- Community Radio WMTG 88.1
- Community Radio Youghal
- Community Talk AM 890 – KRLR
- Como The Beat
- Comoradio International
- compadresmusic.com
- Company FM
- Compasillo Radio
- Compass FM
- Compass FM
- Compass FM
- Compasso FM 987
- Compleet FM
- Complete Team
- Complice FM
- Compound Radio
- Compton 2 New York Radio
- Compuseco Stereo
- Comucosas Radio
- Comunicaciones Tian
- Comunidad FAN
- Comunidade FM 104.5
- Con Alma de Blues
- Conce Radio
- Concepto FM 95.5
- Concertzender
- Concertzender – Barok
- Concertzender – De Gehoorde Stilte
- Concertzender – Filmmuziek
- Concertzender – Folk it!
- Concertzender – Geen dag zonder Bach
- Concertzender – Gregoriaans
- Concertzender – Hard Bop
- Concertzender – Jazz
- Concertzender – Jazznotjazz
- Concertzender – Klassieke Muziek
- Concertzender – Nieuwe Muziek
- Concertzender – November Music
- Concertzender – Orient Express
- Concertzender – Oude Musiek
- Concertzender – Pop
- Concertzender – Raakvlakken
- Concertzender – Radiophonics
- Concertzender – Solta a Franga
- Concertzender – Utrecht Muziekstad
- Concertzender – Wereldmuziek
- Concertzender – X-Rated
- Conch Country – WCNK
- Conciencia FM
- Concierto 93.1 fm
- Concierto FM
- Concord Fire Alarm – Capital Area
- Concord, MA Fire
- Concord, NH Capital Area Fire Alarm
- Concordia Radio TV Online
- Condo Jamz Radio
- Condor Radio
- Cóndor Radio Virtual
- Conectando Estéreo
- Conexion 730
- Conexion Acustica
- Conexion Centro
- Conexión Estéreo
- Conexión FM
- Conexion FM
- Conexión FM
- Conexion FM Romantica
- Conexión Vertical
- Conexiondance Radio
- Confetti Digital
- Cong’Asis FM
- Conga Bongo Radio
- Congo Planet Radio
- Congonet Radio
- ConHepta Radio
- Connect FM
- Connect FM – WCED
- Connect FM Northants
