- INXS feat. Loane
- INXS feat. Monahan, Pat
- INXS feat. Sultan, Dan
- INXS feat. Temperley, Kav
- INXS feat. Thomas, Rob & Yaleidys, DJ
- INXS feat. Tricky
- Inyectores
- INZO (Mike Inzano)
- Inzul (Peruvian indie rock band)
- Inzunza, Miguel
- iO (Austrian techno trio)
- iO (German rock band formed by members of Guano Apes)
- Io e i Gomma Gommas
- IO Earth (Formed by Dave Cureton and Adam Gough)
- io echo
- Io, Carlo
- Io?Drama
- Ioannidis, Alkinoos (Cypriot musician)
- iogi
- IOI (EDM act from Germany)
- Iommi
- Iommi, Toni Marie
- Iommi, Tony
- Iommi, Tony feat. Grohl, Dave
- Iommi, Tony feat. Hughes, Glenn
- Iommi, Tony feat. Tankian, Serj
- Iommi, Tony featuring Anselmo, Phil
- Iommi, Tony featuring Astbury, Ian
- Iommi, Tony featuring Corgan, Billy
- Iommi, Tony featuring Grohl, Dave
- Iommi, Tony featuring Idol, Billy
- Iommi, Tony featuring Osbourne, Ozzy
- Iommi, Tony featuring Rollins, Henry
- Iommi, Tony featuring Skin
- Iommi, Tony featuring Steele, Peter
- Iommi, Tony featuring Tankian, Serj
- Iommi, Tony with Hughes, Glenn
- Ion (David J. Hughes solo project)
- Ion At An
- Ion Dissonance
- Iona (Celtic folk/rock band from the United Kingdom)
- Iona Grove
- Iona, Andy (Hawaiian musician & songwriter)
- Ionatos, Angélique (Greek singer)
- Ionia
- Ionic Bond
- Ionic Vision (Belgian EBM band)
- ionnalee
- ionnalee with Irrepressible, Jamie
- IORC, TIAGO
- IORC, TIAGO & Drexler, Jorge
- IORC, TIAGO & DUDA BEAT
- IORC, TIAGO & Ganhadeiras de Itapuã, As
- IORC, TIAGO feat. Gadú, Maria
- IORC, TIAGO feat. Silva
- Iordache, Ștefan (Romanian actor)
- IORDN (R&B/Hip-Hop singer, songwriter and producer)
- Iori's Eyes (Italian band)
- Iorio, Ricardo
- Iorio, Ricardo & Flavio, Sr.
- Ioseb
- Iosonouncane (Italian artist Jacopo Incani)
- Iota (Australian musician Sean Hape)
- Iotunn
- IOWA (Belarusian/Russian pop music trio)
- Iowa Super Soccer
- Iowaska
- Ip, Grace
- Ipanapa
- Ipanemas, The
- Ipcus Pinecone
- Iperyt (industrial black metal)
- IPM
- IPPU-DO
- Ipso Facto (UK psychedelic garage‐pop group)
- Ipsum, Laurence
- Ipupa, Fally
- Ipupa, Fally feat. Dadju
- Ipupa, Fally feat. Nakamura, Aya
- Ipupa, Fally feat. Naza
- Ipupa, Fally feat. Ninho
- Ipupa, Fally feat. Pokora, M.
- IQ (British progressive rock band)
- Iqbal, Khurram
- Iqbal, Nabihah
- Ir Sais (Dutch-Carribean artist Irgwin Placido Sluis, stage name also stylized as Ir-Sais)
- IRA (Polish band)
- Ira (Mexican Power Metal Band)
- IRA (Feminism Rap from Madrid)
- Ira de Dios, La
