- Def Leppard
- Deftones
- Default
- Def Squad
- Defiance
- Defari
- Def Con Dos
- Def Tech
- Def Rhymz
- Defeater
- DefLeppard
- Defiance, Ohio
- Defeated Sanity
- Défense urbaine
- Defilers
- Defleshed
- Defiler
- Defalla
- Defecation
- dEFDUMp
- Def Bond
- Defenestration
- Defyance
- DEF
- Defrage
- Defences
- Defender
- Def Dames Dope
- Defeat The Low
- Def Jef
- DEF FX
- Definition of Sound
- Def P & Beatbusters
- Def 1
- Defcon 4
- Defuse
- Def Sound