I
- Mark Ibold (Pavement)
- John Illsley (Dire Straits)
- Michael Inez (Alice in Chains, Ozzy Osbourne)
- Ricardo Iorio (V8, Hermética, Almafuerte)
- Jeff Irwin (Griffin House, Cerys Matthews, Mat Kearney, Eliot Morris)
- Fredrik Isaksson (Grave, Therion)
- Marvin Isley (The Isley Brothers)
- Chris Ivanovich (My Sister's Machine)
- Michael Ivins (The Flaming Lips)
- Anders Iwers (Tiamat, Cemetary)
- Peter Iwers (In Flames)
Read more about this topic: List Of Bass Guitarists