- Impediments
- Impellers
- Impellitteri
- Impending Doom
- Imperia
- Imperial Sound
- Imperial State Electric
- Imperial Teen
- Imperial Tiger Orchestra
- Imperial Triumphant
- Imperiet
- Imperium Dekadenz
- Impetigo
- Impetuous Ritual
- Impiety
- Impiety/Infernal Execrato
- Impious Havoc
- Implodes
- Implore
- Impossible
- Impossible 5
- Impossible Shapes
- Impossibles
- Impostor Orchestra
- Impractical Cockpit
- Imprecation
- Impressions
- Improbables
- Impulse International
- Impure Wilhelmina
- Impureza
- Impurity
- Imsomnium
- Imyrmind
- In Aevum Agere
- In Battle
- In Camera
- In Cold Blood
- In Common
- In Control
- In Deed
- In Disgust/P.L.F.
- In Extremo
- In Fields
- In Flames
- In From The Cold/Nula
- In Gowan Ring
- In Hearts Wake
- In Her Own Words
- In Letter Form
- In Loving Memory
- In Mirrors
- In Mourning
- In My Eyes
- In Other Climes
- In Ruins
- In Slaughter Natives
- In Solitude
- In Strict Confidence
- In Tall Buildings
- In The Branches&Bluetec
- In The Canopy
- In The Country
- In The Country&Frida An
- In The Hearts Of Emperors
- In The Midst Of Lions
- In The Night Garden
- In The Valley Below
- In The Woods
- In These Murky Waters
- In This Moment
- In Time
- In Transmission
- In Vain
- In Zaire
- In-flight Safety
- In-grid
- IN.SI.DIA
- Ina Forsman
- Inadaptados
- Inade
- Inaeona
- Inakustik
- Inane
- Inanimate Existence
- Inara George
- Inc.
- Inc. Mad Music
- Inc. No World
- Inca Babies
- Inca Eyeball
- Inca Ore
- Incan Abraham
- Incantation
- Incantation/Archgoat
- Incapacitants
- Incapacity
- Incarnations
- Incendiary
- Incendios
- Inchindown
- Inchtabokatables
- Incite
- Inciters
- Incognito
- Incognito Rockers
- Incredible Bongo Band
- Incredible Kidda Band
- Incredible String Band
- Incredibles
- Incriminated
- Incubus
- Inculter
- Indecision
- Independents
- Indesinence
- Index For Potential Suici
- Indi
- India Arie
- India Ramey
- Indian
- Indian Askin
- Indian Ghost
- Indian Handcrafts
- Indian Jewelry
- Indian Nightmare
- Indian Summer
- Indian Wars
- Indian Wells
- Indiana
- Indianizer
- Indica
- Indica -australia-
- Indignant Senility
- Indigo Girls
- Indigo Mist
- Indigo Sparke
- Indira Paganotto
- Indisia
- Individual
- Individuals
- Indochine
- Indonesian Junk
- Indoor Garden Party
- Indoor Pets
- Indreama
- Indricothere
- Indust-bag
- Inepsy/Toxic Holocaust
- Inexorum