- 2SomeOne
- 2Steel Girls (mother/daughter Country Music duo)
- 2sty
- 2sweet (house; has song "Bomba Latina")
- 2TD
- 2TH (French rapper)
- 2TH feat. Bomel
- 2TikTok
- 2Ton (Kosovarish Senger)
- 2U (Italo Downtempo project by Discomagic Records)
- 2U4U
- 2WEI (film composer duo)
- 2WEI & Hayes, Edda
- 2WEI, Joznez & Kataem
- 2WIN (T-PABLOW and YZERR)
- 2WIN feat. ANARCHY
- 2winz²
- 2wo Third3
- 2X (Chilean metal core/nu metal band)
- 2X (japanese EDM)
- 2X4 (Oklahoma metalcore band)
- 2XL (American hip-hop group)
- 2XL feat. Na'shay
- 2XM (electronic music duo Benjamin & Liam Murray)
- 2xxx!
- 2YOON
- 2Z
- 2zer (French rapper, L'Entourage)
- 3 (Keith Emerson, Carl Palmer, Robert Berry)
- 3 (US progressive rock band)
- 3 + 2 (From Spain)
- 3 Amigos (Electronic music trio Butler, Di Scala & Henry)
- 3 Are Legend (Belgian/US DJ trio Dimitri Vegas, Like Mike & Steve Aoki)
- 3 Are Legend & W&W
- 3 Busserulls
- 3 Clubmen, The (band)
- 3 Colonias, Die
- 3 Colours Red
- 3 Daft Monkeys
- 3 Days of Silence
- 3 Days of Wonder
- 3 Dayz Whizkey
- 3 de Copas (Mexican band)
- 3 Deep (00s rap, Lil Phat, Shell & Mouse, key track "Watch My Shoes")
- 3 Degrés Est
- 3 Doors Down
- 3 Doors Down feat. Seger, Bob
- 3 Dope Brothas
- 3 Feet Smaller
- 3 Finer (Kizomba (Angolan))
- 3 Fox Drive (acoustic bluegrass group)
- 3 Fromages, Les
- 3 Fromages, Les feat. Axel de Wizo
- 3 Gars su’l Sofa
- 3 Heath Brothers (Southern Gospel family trio)
- 3 Hürel
- 3 Inches of Blood
- 3 Kings, The
- 3 lb. Thrill
- 3 Melancholy Gypsys
- 3 Men & A Melody (Barbershop Quartet)
- 3 Ménestrels, Les
- 3 Meter Peter
- 3 Mice
- 3 minutes sur mer
- 3 Mustaphas 3 (British band)
- 3 na Bossa (original formation)
- 3 na Bossa (second formation by DeckDisc)
- 3 Na Massa
- 3 Na Massa
- 3 Na Massa feat. Céu
- 3 Na Massa feat. de Freitas, Thalma
- 3 Na Massa feat. Leal, Leandra
- 3 Na Massa feat. Miranda, Nina
- 3 Na Massa feat. Pitty
- 3 of a Kind
- 3 of Hearts
- 3 Of Life (Psytrance)
- 3 on the Bund
- 3 One Oh
- 3 Palavrinhas (Braziliam Christian Music for Kids)
- 3 Paraguayos, Los
- 3 Pesos
- 3 Phase
- 3 Phase feat. Motte, Dr.
- 3 Pill Morning
- 3 Pints Gone
- 3 Point Landing
- 3 Quarters Dead
- 3 Steps Ahead (Peter-Paul Pigmans)
