| Band | Years | Genre | | Band | Years | Genre |
| I.F.A (1) | | | | Indigo Girls (41) | 1985 - | Rock |
| i5 (8) | | | | Infectious Grooves (5) | | |
| I Am Kloot (6) | | | | Infernal Majesty (5) | | |
| I Am the World Trade Center (4) | | | | Information Society (5) | | |
| I Love You But I've Chosen Darkness (3) | | | | Ink Spots, The (4) | | Vocal Harmony |
| I Mother Earth (14) | | | | Inkubus Sukkubus (2) | | |
| Ian and Sylvia (6) | | | | InLimbo (1) | | |
| Ian Gillan Band (1) | 1975 - 1978 | Jazz-Rock | | InMe (3) | | Grunge |
| Icarus Jones (1) | | | | Inner Surge (12) | | |
| Ice-T (4) | | | | Innocence Mission, The (4) | | |
| Ice Cube (11) | | | | Innocent Cabbage (1) | | |
| Iced Earth (11) | | | | Innosense (9) | | |
| Icehouse (4) | | | | Innuendo (8) | | A Cappella |
| Icicle Works (4) | | | | Insane Clown Posse (59) | | |
| Icos (5) | | | | Inside Silence (1) | | |
| Idaho (62) | | | | Insision (4) | 1997 - | Death Metal |
| Idiot Flesh (6) | | | | Inspiral Carpets (6) | | Madchester |
| Idlewild (4) | 1995 - | Indie Rock | | Intelligent Anus (1) | | |
| IfiHadAHiFi (3) | | | | International Noise Conspiracy, The (5) | | |
| Iggy and The Stooges (2) | 1967 - 1973 | Rock | | Intervox (8) | | |
| Ikon (3) | | | | Intricate Unit (1) | | Industrial Rock |
| Ill Figures, The (1) | | | | Invertigo (8) | | |
| Ill Niño (8) | 2000 - | Heavy Metal | | Invincible (1) | | |
| Illdisposed (3) | | | | INXS (40) | 1979 - | Rock |
| Imaginary Friends (1) | | | | Iona (4) | | |
| Imajin (5) | | | | iOTA (2) | | |
| Immature (6) | | | | IQ (6) | | |
| Imperial Teen (5) | | | | IQU (4) | | |
| Imperials, The (5) | | Contemporary Christian | | Irish Rovers (75) | 1963 - | Irish Folk |
| Impossibles, The (3) | | | | Iron and Wine (1) | | |
| Impure (1) | | | | Iron Butterfly (5) | | |
| IMx (6) | | | | Iron Maiden (59) | 1976 - | Heavy Metal |
| In Fervor (1) | | | | Iron Savior (3) | | |
| In Flames (2) | | Heavy Metal | | Isaacs, The (4) | | Country |
| In Pursuit (1) | | | | Isaak, Chris (47) | | Rock |
| In the Nursery (3) | | Ambient | | Isley Brothers (3) | | |
| Inalienable Right to Eat Fred Astaire's Asshole, The (21) | 1982 - | Alternative Rock | | Israel, Dan and the Cultivators (3) | | |
| Incognito (26) | 1981 - | Acid Jazz | | Israelvis (0) | 1988 - | Punk |
| Incredible String Band (4) | | | | Isyss (4) | | Hip-Hop |
| Incubus (36) | 1997 - | Alternative Rock | | It's A Beautiful Day (5) | | |
| Indigenous (6) | | | | Ivy (2) | | |
| Indigo Child (1) | | | |
