- Inner Tongue
- Inner Turmoil (Melodic Death Metal from Montréal, Canada)
- Inner Wave
- Inner-Ji
- Innere Tueren (Ergin Erteber)
- Innerforce (Power Metal Band)
- Innerlands
- Innerlude
- Innero (Italy / Epic Black Metal)
- InnerPartySystem
- Innerspace (Canadian progressive rock band)
- Innerspace Halflife (live PA between Hakim Murphy and Ike Release)
- Innerspace Orchestra
- Innervoices
- InnerWish (Greek Power Metal Band)
- Innerzone Orchestra
- Innes, Neil
- Innes, Ryan
- Inni-K
- Innis (Spanish-language singer/guitarist. Single: "Dime dónde, Dime cuándo")
- Innisfree Ceoil
- Inniss,Javiere (American Singer/Songwriter)
- Innocence (British R&B band fronted by Gee Morris)
- Innocence Lost (Innocence Lost (Progressive/Heavy Metal band from Rio de Janeiro, Brazil))
- Innocence Mission, The
- Innocence, The
- Innocens
- Innocent Blood (Danish rock band)
- Innocents, Les
- Innocents, The (50s/60s group a.k.a. Kathy Young & The Innocents)
- Innosense (American pop group)
- INNOSENT in FORMAL
- Innovataz (Sanga Lingam, Vino Iyer & Kåre Nielsen)
- Innsbrucker Böhmische
- Innuendo (Malaysian R&B group)
- Inocculta (Belgian 2000s black metal band)
- Inocentes (Brazilian punk band)
- Inocentes MC
- Inoculation
- Inofaith
- Inoffiziell.Goldenboy
- INOJ
- Inokentijs Mārpls
- Inoki (Italian rapper)
- Inoki feat. Shocca, DJ
- Inoki feat. Tedua
- Inopexia
- INORAN
- Inordem
- Inostroza, René (José René Inostroza Valenzuela; Chilean musician)
- Inoue, Azumi
- Inoue, Joe
- Inoue, Kikuko
- Inoue, Sonoko
- Inoue, Taku
- Inoue, Tsukasa (Japanese jazz/rock drummer and producer Tsukasa Inoue)
- Inoue, Yosui
- Inoue, Yosui / Okuda, Tamio
- Inouk
- Inova (EDM artist)
- Inpetto
- InPhaze
- 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