- The In-Betweens -- THE inazumasentai
- The Inbreds -- The Inclined
- The Incognito -- The Incredible C.O.L.D.
- The Incredible Columbia All Star Band -- The Incredible M. D.
- The Incredible M. D. & the Phunky People -- The Incredible Strand
- The Incredible String Band -- The Indefinate Article
- The Indelicates -- The Indian Core
- The Indian Street -- The Indigos
- The Individuals -- The Industrial Jazz Group
- The Ineffable Orchestra -- The Infamous Plot
- The Infamous Shoeless Joe -- The Infamous Untuchables
- The Infamous Young Spodie -- The Infernos
- The Infernos Band -- The Infinite Wheel
- The Infinite Why -- The Information
- The Infractions -- The Ingram Gospel Singers
- The Ingram Kingdom -- The Injectors