- The Coronas -- The Correspondence Quartet
- The Corridor -- The Corvets
- The Corvettes -- The Cosmic Piper
- The Cosmic Plethora of Doom -- The Cossack Circle Ensemble
- The Cossack Dance And Song Ensemble A.Munkienko' -- The Couch Potato All-Stars
- The Couers -- The Councilmen
- The Counselor -- The Count Bishops
- The Count Josephine Band -- The Countdown Singers
- The Countdowns -- The Countrymen
- The Counts -- The Courteeners
- The Courtesy Group -- The Covenant Project
- The Coventry Automatics -- The Cowboy
- The Cowboy Church Sunday School -- The Coyote Problem
- The Coyote Sisters -- The Crackajack Crew
- The Crackajacks -- The Craig
- The Craig Te Project -- The Crank Family
- The Crank-Tones -- The Crash That Took Me
- The Crashers -- The Crawlers
- The Crawleys -- The Crazy Ivans
- The Crazy Laughing Monkey Heads of Doom -- The Creators