All performers with the letter 'I'
- I Killed The Prom Queen
- I'mmortal
- Ian Anderson
- Ian Hunter
- Icarus Line, The
- Ice Ages
- Ice Cube
- Ice-T
- Iced Earth
- Icon And The Black Roses
- Icycore
- Ideal
- Iggy Pop
- Ill Niёo
- Ill-Disposed
- Illdisposed
- Illnath
- Imajin
- Immolation
- Immortal
- Immortal Souls
- Imogen Heap
- Impaled
- Impaled Nazarene
- Impaler
- Impellitteri
- Imperanon
- Imperator
- Impetigo
- Impiety
- Impious
- Impure
- IMx
- In Extremo
- In Flames
- In Grey
- In Pieces
- In The Woods...
- Incantation
- Incognito
- Incubator
- Incubus
- India.Arie
- Indian Fall
- Indigo Girls
- Infected
- Infected (Ukraine)
- Infectious Grooves
- Infernal Dominion
- Infernal Legion
- Infernal Majesty
- Infernal Poetry
- Infernal Torment
- Information Society
- Iniquity
- Initial State
- Injected
- Inkubus Sukkubus
- Inner Shrine
- Inner Thought
- Innerwish
- Inquisicion
- Inquisition
- Insane Clown Posse
- Insania
- Insania Trivium
- Insatanity
- Insision
- Insomnium
- Inspectah Deck
- Internal Suffering
- Intertitus Dei
- Intervalle Bizarre
- Intestine Baalism
- Into Eternity
- Invictus
- Invocator
- INXS
- Ion Dissonance
- Iron Butterfly
- Iron Fire
- Iron Maiden
- Iron Savior
- Irving Berlin
- Isanmaa
- Isengard
- Isengard (Sweden)
- Isis
- Isvind
- It Dies Today
- Iuvenes
- Ivory Tower
- Izakaron