- X-Fly
- X-Form
- X-Frame
- X-Funk
- X-Fusion
- X-Fusion
- X-Generation
- X-Gineration
- X-Girl
- X-Girlfriend Graphi-X
- X Girlz
- X-Government Agent
- X-Greats
- X Green
- X-Headz
- X-Heart
- X & Hell
- X-Houz
- X Hydra Project
- X-Ile
- X-Impossible
- X-Impossibles
- X Is X
- X-it
- X-It Only
- X-Ite
- X-Jacks
- X JAPAN
- X. Jia-Jing
- X-Kaliba
- X. Kalibur
- X Kameron
- X-Kantina
- X-Kayya
- X-Kid
- X-Komplex
- X Konz
- X-Kwisit
- X L7
- X-Large
- X-Legacy
- X-Legged Sally
- X Levitation Cult
- X Levitation Cult
- X Levy
- X M D 909
- X-Made, Mobsta Mess & Hustlin Dubbs
- X-Magneto
- X Makeena
- X-Maleya
- X-Man
- X-Man (korea)
- X-Manne
- X. Mao-Xing
- X Marks The Pedwalk
- X-Mas Allstars
- X-Mas Balls
- X-mas Band
- X-Mas Project