- Icicles, The
- Ickard, Richard (American guitarist)
- Icke & Er
- Icky Blossoms
- ICO (Belgian rapper & beatmaker Salim Elakkari)
- ICO feat. Caballero & JeanJass
- Icon (US, Arizona hair metal band)
- Icon (DJ Paul Harding)
- ICON (Artist for ICON Trailer Music)
- Icon & the Black Roses
- Icon for Hire
- Icon in Me (Russian groove metal/metalcore band)
- Icon of Coil
- Icon of Sin (Power Metal band from Brazil)
- iCON The Mic King
- Chase Icon
- Icona Pop (Swedish Euro-Pop duo)
- Icona Pop & Galantis
- Icona Pop & Naté, Ultra
- Icona Pop & Sofi Tukker
- Icona Pop & VIZE
- Icona Pop & Yaeger
- Icona Pop feat. Charli XCX
- Icona Pop feat. Smiler
- Iconcrash
- Iconic (Hard Rock Band)
- Iconika
- Iconili
- ICONIQ
- Iconis, Joe
- Iconoclasm (Belgian 1990/2000s black metal)
- Iconoclast (Australian metal band)
- Icons (Alternative Rock Band from Bangladesh)
- Icons of Filth
- Icosahedron
- Icozahedron Levitate
- ICS (Italian pop singer from X Factor 6)
- Ictus (Spanish/Galician hardcore/crust band)
- ICU (South Korean girl group)
- Icy Blu
- Icy Demons (US experimental music project from Chicago)
- Icy Lust
- Icy Steel
- Icy Subzero
- IcyDaRabbit
- Icykiddo
- Icypoles, The
- ICYTWAT (rapper, producer)
- Id, The (UK Prog Group)
- Ida (Brooklyn indie rock band)
- Ida (Danish X-Factor 2012 Winner)
- Ida (Ida Girls London)
- ida deerz
- Ida Gard
- Ida Mae (Blues, Soul duo, Country Blues, Americana)
- Ida Mae & King, Marcus
- Ida Mae feat. King, Marcus
- Ida Maria
- IdaAida (dissolved)
- Idaho
- Idakula, Bez
- Idaly
- Idän Ihmeet
- Idan, Sariyah
- Idea Blanco (Pop / Folk artist from Chile)
- Idea of North, The (Australian A-Cappella-Ensemble)
- IdeaFatte
- Ideal (German "Neue Deutsche Welle" group)
- Ideal (R&B quartet from Houston, Texas, a.k.a. Ideal U.S.)
- IDeaL (US house/electro DJ/producer Tomas Serrano)
- Ideal Bread
- Ideal J
- idealism (instrumental hip‐hop artist)
- Ideamen
- Ideas (symphonic metal)
- Idehen, Joshua
- Iden Gakusha
- Iden Kai
- Iden Kai & Svgyul
- Identi-Kit (Argentinian new wave band)
- Identidade
- Identity (Belgian rapper Killian Mertens)
- IDEON (synthwave)
- IDER
- Ides of Gemini
- Ides of March (1980s UK new wave band)
- Ides of March, The
- Ides of Space
- Ides of Winter
- IDestroy
