Stations
- Jumpgate Pirate Radio
- Junction Poland Radio
- Jungle FM
- jungletrain.net
- Juniata County, PA Fire / EMS
- Junin.net
- Jupiter Broadcasting Radio
- Jurnal FM
- Jus Muzic
- JUS Radio
- Just 4 Fun Radio
- Just Hits Radio
- Just Jazz
- Just Music Radio
- Just Playing Haydn
- Just Radio 93
- Just The Blues from 92ZEW
- Just Vent JAMZ
- just70s
- just80s_maximal
- just90s
- justclub
- justclubbing
- JustForPlay Radio
- justhiphop
- Justice 89.1FM – KNSJ
- JustIn Case Prog Radio
- Justnow Radio
- Juventud Online Radio
- Juventud Palabra Miel
- Juventude FM
- Juventudes Radio Argentina
- Juvignen FM
- Jvond Radio
- JvR Music of a Lifetime
- JZ 94.5 – WJZD
- K 103 – Goteborgs Student Radio
- K 105.3 – WKHM-FM
- K 106.3 – CHKS-FM
- K 107.7 – WKYN
- K 107fm JamZ
- K 92 – WYVK
- K 92.7 – WKZJ
- K 95.3 – KDJS-FM
- K 96.9 – KYAP
- K 97.5 – CKRV-FM
- K 97.5 – KABX-FM
- K Country – WOGK
- K FM – WKAY
- K HITS 106.9
- K I F
- K Kountry 95 – KAMS
- K Storm Radio
- K TALK – KTKK
- K-104 Country – KSDM
- K-104.7 – WSPK
- K-57 – KGUM
- K-96 Country – WKFM
- K-97 – CIRK-FM
- K-97 – KIAQ
- K-98.3 – K232AR
- K-98.3 – WKJY
- K-99 – KAAK
- K-99 – WKEB
- K-Apple – KAPL
- K-BAY 106.3 – WKBX
- K-Bear 101 – KCVI
- K-Bear 102.3 – WHKB
- K-Best 95.7 – KBST-FM
- K-Blues FM Radio
- K-Boo – KBOO
- K-Chapel 97.1 – KCHP-LP
- K-Country 105.7 – WGRK
- K-Country 105.7 – WGRK-FM
- K-Country 96.7 – WKMM
- K-Dock 92.9 – KDCQ
- K-GoldenRadio
- K-Hits – KLSM
- K-Jam – KJMC
- K-Jamz 105.3 – KJMM
- K-Jug – KKJG
- K-Lake 97.7 – KALK
- K-Lakes – KLXK
- K-Lane
- K-Light – KLHT
- K-Light – KYTT-FM
- K-Lite 101.7 – KSBL
- K-lite 94.7 – WKLW-FM
- K-Love – KFMK
- K-Love – WKTH
- K-Love – WLGF
- K-LOVE – WLXF
- K-LOVE – WMRK-FM
- K-LOVE – WPLJ
- K-Love – WUKV
- K-Love 107.5 – KLVE
- K-Mix
- K-Mix
- K-Mozart – KIDD
- K-Pop Radio PN
