- [iks]
- I Musici de Montréal
- Ibert, Jacques
- Ibrahim, Kristie
- Ichiyanagi, Toshi
- Idées heureuses, Les
- Ieracitano, Luca
- Illica, Luigi
- Impromptistes, Les
- In Extensio
- Ingham, Michael
- Ingham, Richard
- Ingólfsson, Atli
- Inner Island
- Inoue, Satoko
- Instruments of Happiness
- Interférence sardines
- International Contemporary Ensemble
- Ionesco, Eugène
- Iosch-Lorcini, Marie
- Irino, Yoshiro
- Ironico Orkestra
- Isami, Yuki
- Isbister, Lori
- Isherwood, Nicholas
- Ishii, Maki
- Ittukallak, Lisa-Louise
- Ittukallak, Winnie
- Ituarte, Miguel
- Ives, Charles
- Ives Ensemble
- Iwaasa, Rachel Kiyo
