- 4AMTapes
- 4Arm
- 4B (EDM DJ & producer Robert McKeon Jr.)
- 4B & Chuwe
- 4B & Flosstradamus
- 4B & GESES
- 4B & Junkie Kid
- 4B & NvrLeft
- 4B & PuroWuan
- 4B feat. Garlin, Bunji
- 4B feat. Lee, Megan
- 4batz
- 4batz & Ye
- 4BOUT
- 4brvhvm
- 4cf
- 4Count
- 4D (Slovak hip-hop group)
- 4Dreamers (Polish group)
- 4ERDAK Pavlohrad, Dnipropetrovsk region, Ukraine
- 4EVE (Thai girl group)
- 4ever (Los Boricuas de la Bachata)
- 4Ever (Polskie disco polo)
- 4EverfreeBrony
- 4EverfreeBrony feat. Chi‐Chi
- 4EverfreeBrony feat. Chi‐Chi
- 4EverfreeBrony ft. Milkmomo,Monty, Eile & MEMJ
- 4Eyez (UK Rapper)
- 4F Club
- 4F, LOS (Supergroup composed of Easykid, Young Cister, Kidd Voodoo and DrefQuila)
- 4FATE
- 4FIRE (Sub-unit of WSG Wannabe)
- 4FT Fingers
- 4ft Soldiers
- 4Fun (Lithuania)
- 4G (Norwegian Jazz Guitar Quartet)
- 4GOT10 (band underground torinese)
- 4gRe
- 4hands
- 4hero (Marc Mac (aka Marc Clair) & Dego (aka Dennis McFarlane))
- 4hero feat. Andersson, Carina
- 4hero feat. Scott, Jill
- 4hero feat. Uzuri, Imani
- 4Him
- 4Him feat. Anderson, Jon
- 4K (DnB)
- 4Keus (French rap)
- 4keus Gang (French Rap)
- 4L
- 4L Javi
- 4lienetic
- 4lung feat. minxmax
- 4LYN
- 4ma (Hungarian rapper)
- 4Mag Nitrous (Southern Rock, Stoner Metal, US)
- 4MEN
- 4minute
- 4minute feat. BEAST
- 4MIX (Thai boy group)
- 4na
- 4onthefloor, The (blues/rock band from Minneapolis, MN)
- 4oresight
- 4PF YG
- 4R
- 4Rain, DJ
- 4ria
- 4ria & BEARDED LEGEND
- 4rif
- 4RUNNR
- 4S Street
- 4Shades
- 4some blues
- 4Square (4Square Folk Band)
- 4Square
- 4Taste
- 4TEN (South Korean girl group)
- 4TET
- 4th 'N Goal
- 4th & Orange
- 4th Ave
- 4th Avenue Jones
- 4th Dimension (Nick Dickens)
- 4th Dimension (Italian symphonic power metal band)
- 4th Dimension (folk)
- 4th Disciple & Hell Razah
- 4th Impact (Filipino girl group)
- 4th Point
- 4th Street Orchestra, The
- 4th Street Traffic (Welsh rock band)
- 4th25 (4th quarter, a hip-hop project by deployed U.S. Army servicemen)
