- Out of Hand (Punk band from Oshawa, Ontario, Canada)
- Out of My Hair
- Out of Office
- Out of Phase
- Out of Sight (electronic, Jesper Sidelmann & Michael Linde, "Comfort")
- Out of Sight (Pop Punk band (U.K.))
- Out of the Ashes
- Out of the Blue (The Oxford University acapella group)
- Out of the Blue (Yale University)
- Out of the Dawg House (Butler University's all-male a cappella group)
- Out of the Dust
- Out of the Dust (Christian husband and wife duo from Nashville, TN)
- Out of the Grey
- Out of the Mouth of Graves
- Out of the Way (Boston rock band)
- Out Of Time
- Out of Your Mouth
- Out Out
- Out to Win
- Out-Or
- Out-World
- Outasight
- Outatime
- Outatime Orchestra, The
- Outback (80s/90s world music group)
- Outblast, DJ & Angerfist
- Outbreak (Hardcore rock band)
- Outbreak (Hardstyle dj " John-Paul Pirrello")
- Outbreakband
- Outburst (USA punk band)
- Outcasts, The (Northern Ireland punk band)
- Outcharms, The
- Outdoor Type, The
- Outen, Savannah
- Outen, Savannah & Coco, Jake
- Outen, van, Denise
- Outer (I'VE band)
- Outer Circle (punk rock band with Mark Salomon)
- Outer Heaven (death metal band from Douglassville, PA)
- Outer Limits
- Outer Limits Recordings
- Outer Spaces (band from Baltimore)
- Outer Vibe, The
- Outer Worlds
- Outerhope
- OuterSpace (US hip-hop group, Planetary & Crypt the Warchild)
- OuterSpace feat. Immortal Technique
- OuterSpace feat. Paz, Vinnie
- Outerspass
- Outfield, The
- Outfit (drum and bass)
- Outfit (British band)
- Outfit, TX, The
- Outgoing Hikikomori
- Outhere Brothers, The
- Outhouse (US rock)
- OutKast
- OutKast feat. B-Real
- OutKast feat. Backbone & Big Gipp
- OutKast feat. Badu, Erykah
- OutKast feat. Big Rube & Brown, Sleepy
- OutKast feat. Brown, Sleepy
- OutKast feat. Brown, Sleepy & Jazze Pha
- OutKast feat. Brown, Sleepy & Scar
- OutKast feat. Calhoun, Slimm, C-Bone & T-Mo
- OutKast feat. Calhoun, Slimm, Lil Jon & East Side Boyz, The & Mello
- OutKast feat. Clinton, George
- OutKast feat. Dawson, Rosario
- OutKast feat. Gangsta Boo & Eco
- OutKast feat. Goodie Mob
- OutKast feat. Gray, Macy
- OutKast feat. Green, CeeLo
- OutKast feat. Green, CeeLo
- OutKast feat. Green, CeeLo
- OutKast feat. Green, CeeLo
- OutKast feat. Jones, Norah
- OutKast feat. Kelis
- OutKast feat. Khujo Goodie
- OutKast feat. Khujo Goodie & Green, CeeLo
- OutKast feat. Killer Mike
- OutKast feat. Killer Mike & J-Sweet
- OutKast feat. Killer Mike & Jay‐Z
- OutKast feat. Killer Mike & Monáe, Janelle
- OutKast feat. Konkrete, Big Gipp & Ludacris
- OutKast feat. Lil Wayne & Snoop Dogg
- OutKast feat. Monáe, Janelle
- OutKast feat. Raekwon
- OutKast feat. Scar & Brown, Sleepy
- OutKast feat. T‐Mo, Big Gipp & Khujo Goodie
- OutKast feat. Whild Peach
