- 3ohBlack
- 3P (remixers Pascal Gabriel & Paul Statham)
- 3P (German hiphop)
- 3Plusss
- 3Plusss feat. Chefket
- 3Plusss x Falco
- 3PM (Baltimore Pop Punk Band)
- 3Quency
- 3R2 (producer/DJ Kevin Shih)
- 3R2 & topazolite
- 3rd & Union (Country music duo)
- 3rd Alley
- 3rd and the Mortal, The
- 3rd Attempt, The (Norwegian Black Metal Band)
- 3rd Bass (New York hip-hop group)
- 3rd Bass feat. KMD
- 3rd Bass feat. Zev Love X
- 3rd Birthday, The (visual kei)
- 3rd Coast (Korean electronica trio)
- 3rd Face
- 3rd Faze
- 3rd Force
- 3rd Machine (Metal band from The Netherlands)
- 3rd Matinee
- 3rd Party (Dance-pop, Eurodance group)
- 3rd Prototype
- 3rd Prototype feat. Harley Bird/ Franco, Valentina
- 3rd Root
- 3RD Season
- 3rd Secret (grunge supergroup)
- 3rd Silhouette (Denmark-based electronic pop trio)
- 3rd Storee
- 3rd Strike
- 3rd Trip
- 3rd War Collapse (Brutal Death Metal band from Brazil/Finland)
- 3rdegree (USA Prog Rock Band)
- 3rio, The
- 3robi (Dutch-Moroccan rapper)
- 3rty (Nigerian Afrocentric Musician)
- 3SKM
- 3somesisters
- 3Star (UK hard dance/happy hardcore DJ & producer)
- 3Strange & Grace, Kenya
- 3T (Taj, Taryll and TJ Jackson)
- 3T duet with Jackson, Michael
- 3T feat. Crichlow, Herbie
- 3T feat. Jackson, Michael
- 3TEETH
- 3TEETH & Gordon, Mick
- 3TEETH feat. Gordon, Mick
- 3than
- 3umph
- 3union
- 3viertelelf
- 3witch
- 3X (IDOLY PRIDE)
- 3x Krazy
- 3x1
- 3x3cute (music producer)
- 3xBlast
- 3xbravo
- 3XM (Manuel Reuter, Manuel Schleis, Markus Beilke)
- 3xperimental
- 3YE
- 3Yo
- 4 AM (Colombian Band)
- 4 Apostel, Die
- 4 Bajo Zero
- 4 by Four
- 4 Cats
- 4 Circles (Nikita Vasilyev)
- 4 Clubbers
- 4 Corners feat. Ladi6
- 4 de la Torre, Los
- 4 Door Theater (Alt/ Pop - USA Members: Garrett Joseph Cyr, Bipul Lama & Mark A. Demao Established in 2014)
- 4 Elements
- 4 For Fall
- 4 Front
- 4 Fun (Dutch boy band)
- 4 Golfers
- 4 Grandes del Norte, Los
- 4 Idiots
- 4 In Action
- 4 in Love
- 4 in tha Chamber
- 4 Non Blondes
- 4 of Us, The (Northern Irish band)
- 4 Out of 5 Doctors
- 4 P.M. (R&B quartet from Baltimore)
- 4 People
