- 12 Dirty Bullets
- 12 Gauge (rapper)
- 12 Girls Band
- 12 Rods
- 12 Rounds (UK rock band)
- 12 Singes
- 12 Step Rebels
- 12 Stone Toddler
- 12 Stones
- 12 Summers Old
- 12 Tribus (Reggae Chile)
- 12 Volt Sex
- 12:06
- 120 Days (formerly The Beautiful People)
- 1200 Micrograms
- 1200 Techniques
- 12012
- 1208
- 122 Stab Wounds (Norwegian Black/Death Metal)
- 123 (indie, pop group from istanbul, stockholm)
- 1234, The
- 127 (Iranian five piece band)
- 1280 Almas
- 12AM (Canadian R&B/hip-hop)
- 12cent
- 12mé
- 12th Human, The (Alternative Rock band)
- 12th Man, The
- 12th Planet
- 12z (Hungarian electronic improvisation trio)
- 13 (USA doom/sludge metal band)
- 13 (Producer from Canada)
- 13 (Goomba Music / 13isGodsend)
- 13 (blues/rock band feat. Lester Butler)
- 13 & God
- 13 Bastardi
- 13 Bats (Spanish psychobilly)
- 13 Block
- 13 Candles (UK goth band)
- 13 Cats
- 13 Days
- 13 Engines
- 13 Mg.
- 13 Organisé
- 13 Winters (USA symphonic black metal)
- 13.7 (Brazilian band)
- 131ers, The
- 1349
- 137 (US sludge/doom metal band)
- 13ghosts
- 13H (Ska Argentina)
- 13Rituals
- 13th Century Cowboy
- 13th Floor Elevators
- 13th Floor Elevators
- 14 Bis
- 14 Iced Bears
- 14 Karat Soul
- 14 Year Old Girls
- 14-5
- 14120912519
- 1476 (US Art Rock)
- 14CMS
- 14K (Filipino band)
- 14Mirage (French rapper)
- 15 Degrees Below Zero
- 15 Minut Projekt
- 15 Minutes (Steve Wynn’s band prior to The Dream Syndicate)
- 15 Minutes Late
- 15 Times Dead
- 1551 (nu metal band)
- 156/Silence
- 16 (United States sludge metal aka -(16)-)
- 16 barre
- 16 Bit (80s synth pop)
- 16 Blåsare utan hjärna
- 16 Frames
- 16 Horsepower
- 16 Second Stare
- 16 Valvulas
- 16-17 (Swiss band)
- 1619 Bad Ass Band
- 164
- 16B
- 16bit (dubstep producers Eddie Jefferys & Jason Morrison)
- 16BL (fka 16 Bit Lolitas)
- 16BL feat. Lucy Iris
- 16Down
- 16Pad Noise Terrorist
- 16Stitch
