- InPulse
- Input (US rapper from Denver, Colorado)
- Inquietos del Norte , Los
- Inquietos, Los (del Vallenato)
- Inquinok
- Inquisición
- Inquisición, La
- Inquisition (US punk band)
- Inquisition (US black metal band)
- Inquisition (Austrian Avantgarde Death Metal)
- inS (Possibly Russian, electronic artist)
- Insa (french rapper)
- Insaame
- Insan3Lik3
- Insan3Lik3 feat. Haining, Charlotte
- Insane (Hungarian metal group)
- Insane (Italian thrash metal band from Civitanova Marche)
- Insane Clown Posse
- Insane Clown Posse & D, Willie
- Insane Clown Posse & Downtown Brown
- Insane Clown Posse & Kreayshawn
- Insane Clown Posse & Three 6 Mafia
- Insane Clown Posse & Twiztid
- Insane Clown Posse feat. Downtown Brown
- Insane Clown Posse feat. Esham
- Insane Clown Posse feat. Ice‐T
- Insane Clown Posse feat. Kid Rock
- Insane Clown Posse feat. Mack 10
- Insane Clown Posse feat. Tech N9ne
- Insane Clown Posse feat. Tech N9ne & Hopsin
- Insane Clown Posse feat. Twiztid
- Insane Clown Posse, Hopsin & Tech N9ne
- Insane Clown Posse, Ice Cube & Scarface
- Insane Driver
- Insanecomp (French elctro band)
- insaneintherainmusic
- Insania (Stockholm; power metal)
- Insanity (Slovenian trash metal group)
- Insanity (Spanish Heavy Metal Band)
- Insanity Alert (Austrian Thrash Metal)
- Insanity Cult
- Insanity Reigns Supreme (Belgian death metal band)
- Insatanity (USA / Death Metal)
- Insatiable Void
- Insect Ark
- Insect Jazz
- Insect Trust, The
- Insect Warfare (United States grindcore)
- Insects, The
- Insecure Men
- İnselel, Müfide
- Insense (Norwegian death metal band)
- Insert Coin
- Inshow ha
- Inside (ebm)
- Inside Info
- Inside Out (Los Angeles hardcore band)
- Inside Out (gospelband netherlands)
- Inside The Beehive (United States grindcore)
- Inside the Outside
- Inside the Whale
- Inside You
- Inside, The (Alan Oldham)
- Insideawave
- InsideInfo (UK drum n bass producer Paul Robert Bondy)
- InsideInfo & Mefjus
- InsideInfo & Miss Trouble
- InsideInfo feat. Jakes
- InsideInfo feat. Miss Trouble
- InsideOut (a cappella group)
- Insider Trading
- Insiders (Chicago rock group, 1980's)
- Insides
- INSIDIA (Czech YouTuber)
- Insidious Decrepancy (United States brutal/technical death metal)
- Insidious Disease
- Insidious Nature
- Insight (US hip-hop MC, DJ & producer)
- Insight (Georgian group associated with Nino Katamadze)
- Insight (US hardcore punk band)
- Insight feat. Reed, Emily
- Insightful
- Insinnerator
- Insision
- Insistent (Czech grindcore)
- Insite (Mexican alternative rock band)
- Insolence
- Insolenzia (Spanish rock band)
- Insolvency
- Insomnia (Psytrance duo from Israel)