- I Hear Sirens
- I Heart Hiroshima
- I Heart Sharks
- I Kill Giants
- I KILL PXLS
- I Killed a Leprechaun at the Carnival
- I Killed Everyone
- I Killed the Prom Queen
- I Know Leopard
- I KOKO
- I Legion
- I Level
- I Like Trains
- I Like You Hysteric
- I LOVE MAKONNEN (Hip-Hop)
- I Love You
- I Love You but I’ve Chosen Darkness
- I Love You! Project
- I Love Your Lifestyle
- I Me Mine
- I Mean Us
- I Melt
- I Met a Yeti
- I Might Be Wrong
- I Miss My Death (Ukrainian symphonic metal band)
- I Monster
- I Mother Earth
- I Musicanti del Vento
- I Musici
- I Nine
- I Numi
- I Object
- I Object!
- I Pennelli di Vermeer (Italian Progressive Rock Group)
- I Pixel
- I Plead Irony
- I Prevail
- I Quattro (Italian Swiss band)
- I Revolt
- I Rise
- I Said Yes
- I Santo California
- I SATELLITE
- I Saw the Deep
- I Saw You Yesterday
- I See Hawks in L.A.
- I See MONSTAS (previously “MONSTA”)
- I SEE RIVERS (Band formed in United Kingdom by three Norwegians)
- I See Stars
- I See Stars feat. Pope, Cassadee
- I Set My Friends on Fire
- I Shall Devour
- I Shalt Become
- I Shit on Your Face
- I Shot Cyrus
- I Speak Machine
- I Spit Ashes (Melodic Death Metal from Germany)
- I Spy (Canadian hardcore punk band)
- i SQUARE
- Í svörtum fötum
- I the Mighty
- I Threes
- I Touch Myself Project
- i tried to run away when i was 6
- I Used To Be A Sparrow (swedish indie band)
- I Voted for Kodos
- I Walk the Line
- I Was a Cub Scout
- I Was a King
- I Was Totally Destroying It
- I Wayne
- I Wear* Experiment
- I Will Never Be the Same
- I WiSH
- I Woks Sound
- I Would Set Myself on Fire for You
- I Wrote Haikus About Cannibalism in Your Yearbook (Screamo band from Antioch, California)
- I Ya Toyah (Industrial Electronic One Woman Army)
- i_o (trance; Garrett Lockhart)
- i_o & Trash, Tommy feat. Guttridge, Daisy
- I-94
- I-Exist
- I-F
- I-Fire
- I-M-R
- i-nos
- I-Octane (Reggae singer)
- I-Sasha
- I-Shen Rockers
- I‐20
