- Ignition (electro dance. Ali Love & Marcus Knight)
- Ignitor
- Ignominious Incarceration
- Ignorance (Finnish hardcore punk band from Helsinki, Finland)
- Ignotus
- Ignu
- Igo (Latvian singer)
- IGO
- IGOR (Australian saxophonist)
- Igor Swamp (Suomisaundi artist from Finland [Toni Sorsa])
- Igorrr
- Igreja Batista Nova Jerusalém
- Igrejas, Julio
- Iguana Death Cult
- Iguana Lovers
- Iguana Party
- Iguana Tango
- Iguanas de Trapo
- Iguanas, The (New Orleans band)
- Iguanas, The (Garage rock band from Michigan which included Iggy Pop)
- Igulfrid
- İgüs, Emin (Turkish singer-songwriter, composer, guitarist, and a founding member of Ezginin Günlüğü)
- Igy, Tony (Russian EDM artist)
- Iha, James
- Ihaksi
- Ihamäki, Ilkka
- Ihász Gábor
- Ihate
- Ihateking
- IHF
- Ihlo
- IHOPKC Worship
- iHotel
- Ihre Kinder
- Ihsahn
- Ihsahn feat. Renkse, Jonas
- İhtiyaç Molası
- II (Austrian psychedelic alter ego of Dos Brujos)
- II D Extreme
- II Generation
- II Roman New Orleans Jazz Band (second lineup led by Carlo Loffredo)
- II Samuel n Harmony (christian artist)
- II Wayz (Kizomba)
- iiah (Australian Post Rock band)
- Iida, Kaori
- iiezzraii
- IIGOR
- iii (South Korean girl group)
- IIIrd Tyme Out
- Iijima, Mari
- Iimori, Masayoshi
- IIndman (Phenyo Kgaffe)
- iiO (dance music act)
- iiO feat. Ali, Nadia
- iiola
- Iiris
- Iisa (Finnish artist Iisa Pajula, formerly Pykäri)
- Iisa feat. Knipi
- iiso (South Korean singer)
- Iivanainen, Johanna
- Iivanainen, Johanna & Eero Koivistoisen yhtye
- Iivanainen, Johanna ja Eero Koivistoisen yhtye
- Iivo
- iivrson
- Iizuka, Mayumi
- Ijäs, Jere
- IJdelheid (Project of writer/musician Ruben Wijlacker)
- iji
- IK (Ian Knowles, hardstyle)
- Ika, Feli
- Ikah
- Ikäheimo, Tuula
- IKAN HYU (Swiss elastic plastic power pop)
- Ikara Colt
- Ikaria
- Ikarie
- Ikaru
- Ikarus (Austrian musician/producer)
- Ikävalko, Jorma
- Ikaz Boi (French composer, producer and DJ)
- ikd-sj
- IKE (Philadelphia power pop band)
- Ike Ortiz
- Ike Reilly Assassination, The
- Ike, Joy
- Ike, Ryan
- Ike, Yoshihiro
- Ike(from)Pluto
- Ikeda, Elaiza
- Ikeda, Mitsunori