- Oak (FIN) (Doom Metal-Finland)
- Oak (POR) (Funeral Doom-Portugal)
- Oak, Ash And Thorn (Pagan Folk-USA) - Outro nome : Oak, Ash & Thorn
- Oak (FRA) (Atmospheric Black-France)
- Oak Coffin (Black Metal-USA)
- Oak Is Keeping (Hard Rock-USA)
- Oak Pantheon (Atmospheric Black-USA)
- Oak Roots (Folk Metal-Italy)
- Oak (SWE-1) (Doom Metal-Sweden)
- Oak (SWE-2) (Sludge Metal-Sweden)
- Oak (SWE-3) (Screamo-Sweden)
- Oak (USA-1) (Death Doom-USA)
- Oak (USA-2) (Hard FM-USA) - Outro nome : Rick Pinette & Oak
- Oak's Mary (Heavy Rock-Italy)
- OakBreaker (Sludge Metal-Germany)
- Oaken Skull (Black Metal-France)
- Oaken Throne (Melodic Death-Argentina)
- Oakenshield (Pagan Folk-United-Kingdom)
- Oakhaart (Technical Death-United-Kingdom)
- Oakhelm (Pagan Black-USA)
- Oakmord (Funeral Doom-Finland) - Outro nome : ex-My Shameful
- Oaks (Stoner-USA)
- Oaks Of Bethel (Drone-USA)