- I Riviera
- I-rob
- I, Robot
- I-Robots
- I-Robots
- I-Roc
- I-Rocc
- I Romans
- I-Roy
- I. Roy
- I. Roy & Leo Graham
- I. S. Johar
- I/S/M
- I Sadici Piangenti
- I Salonisti
- I Salonisti [Ensemble]
- I Santo California
- I Santoni
- I SATELLITE
- I Saw Elvis
- I Saw It All Happen From Beginning to End and I St
- I Say Marvin
- I Scream Ice Cream
- I See Hawks in L.A.
- I See Pictures