K
- Kath & Kim (FMR/Warner Bros.)
- Jamie Kennedy (JKiss/Warner Bros.)
- King Co.
- Knock 'Em Off
- Knife Party
- Mark Knopfler
- Talib Kweli (Blacksmith/Warner Bros.)
- Kulcha Don (Ruffnation/Warner Bros.)
- Kimbra
- Kirko Bangz
- Kyary (Warner Music Japan)
- K. Michelle (Interscope as of October 2012/Warner Bros)
Read more about this topic: List Of Current Warner Bros. Records Artists