- Karl Stephen Brunig -- Karl Sundby
- Karl Sundby -- Karl & The Country Dutchmen
- Karl & The Country Dutchmen -- Karl Turner
- Karl Twigg -- Karl von Ordonez
- Karl W. Nehring -- Karl Watson
- Karl Weismantel -- Karl Williams
- Karl Wilson -- Karl Wright
- Karl Young -- Karl Zero & The Wailers
- Karl Zimmerman -- Karla Baker
- Karla Bauer -- Karla Carrillo
- Karla Causey -- Karla DeVito
- Karla Donehew -- Karla Krautgartner
- Karla Lewis -- Karla Richardson
- Karla Ruth -- Karla Tanner
- Karla Twork -- Karlberg
- Karleigh -- Karlex
- KarlGeez -- Karlheinz Fey