- Ian (USA) (Thrash Death-USA)
- Ian (ARG) (Heavy Metal-Argentina)
- Ian Gillan (Hard Rock-United-Kingdom) - Other name : ex-Ian Gillan Band, ex-Gillan
- Ian Parry (Progressive Metal-Netherlands) - Other name : Consortium Project
- Ianoda (Black Metal-Romania)
- Ianwill (Melodic Death-France) - Other name : IWL