- 3JS (Nederpop trio)
- 3kliksphilip
- 3l3d3p (Vada Vada Collective Member)
- 3LAU
- 3LAU & Nom De Strip feat. Estelle
- 3LAU & Said the Sky feat. NÉONHÈART
- 3LAU feat. Bright Lights
- 3LAU feat. Hewitt, Emma
- 3LAU feat. Luna Aura
- 3LAU feat. MAX
- 3LAU feat. Oly
- 3LAU feat. Paige, Carly
- 3LAU feat. XIRA
- 3LAU, Paris & Simo & Bright Lights
- 3LAU, Paris & Simo feat. Bright Lights
- 3LH
- 3logit
- 3LW
- 3LW feat. Lil Wayne
- 3LW feat. Lil’ Kim
- 3LW feat. Loon
- 3LW feat. Nas
- 3M8S (Belgian boyband)
- 3nacria
- 3naMassa feat. Leal, Leandra
- 3naMassa feat. Miranda, Nina
- 3oda Kru
- 3OH!3
- 3OH!3 feat. 100 gecs
- 3OH!3 feat. Kesha
- 3OH!3 feat. Perry, Katy
- 3ohBlack
- 3Plusss
- 3Plusss x Falco
- 3PM (Baltimore Pop Punk Band)
- 3R2 (producer/DJ Kevin Shih)
- 3rd Alley
- 3rd and the Mortal, The
- 3rd Bass (New York hip-hop group)
- 3rd Bass feat. Chubb Rock
- 3rd Bass feat. KMD
- 3rd Bass feat. Nice & Smooth
- 3rd Bass feat. Zev Love X
- 3rd Coast (Korean electronica trio)
- 3rd Edge
- 3rd Faze
- 3rd Force
- 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 Storee
- 3rd Strike
- 3rd Trip
- 3rdegree (USA Prog Rock Band)
- 3rio, The
- 3rty (Nigerian Afrocentric Musician)
- 3somesisters
- 3Strange & Grace, Kenya
- 3T (Taj, Taryll and TJ Jackson)
- 3T duet with Jackson, Michael
- 3T feat. Crichlow, Herbie
- 3T feat. Jackson, Michael
- 3T feat. Prince Markie Dee
- 3TEETH
- 3TEETH & Gordon, Mick
- 3TEETH feat. Gordon, Mick
- 3than
- 3viertelelf
- 3x Krazy
- 3x3cute (music producer)
- 3xbravo
- 3YE
- 3Yo
- 4 bonjour's parties
- 4 by Four
- 4 Cats
- 4 Circles (Nikita Vasilyev)
- 4 Clubbers
- 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 Grandes del Norte, Los
- 4 in Love
- 4 Non Blondes
- 4 of Us, The (Northern Irish band)
