- ionnalee with Irrepressible, Jamie
- Ions (Progressive Metal Band from Prague)
- 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.
- Iorsh
- 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)
- ippo.tsk
- Ipso Facto (UK psychedelic garage‐pop group)
- IPSUE (Instrucciones para subir una escalera)
- 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
- Ira Ironstrings
- Ira! (Brazilian rock band)
- Ira! feat. Pitty
- Ira! feat. Rosa, Samuel
- Iracundos, Los
- Iradier, Sebastián
- Írafár (Icelandic)
- IRAH (Adi Zukanović (keyboards) and Stine Grøn (vocals))
- Iraheta, Allison
- Iraka (french rapper / slammer)
- Irakere
- Irakere, Valdés, Chucho
- Irama (Italian singer and songwriter Filippo Maria Fanti)
- Irama feat. Epoque
- Irama feat. Guè
- Irama feat. Lazza
- Irama feat. Mr. Rain
- Irama feat. Rkomi
- Irama feat. Sfera Ebbasta
- Irama feat. Shablo
- Irama feat. Vegas Jones & Kolors, The
- Irama ft. William, Willy
- Iras (African rapper)
- Iration
- Iration feat. Slightly Stoopid
- Iratus (Vaggelis Gotovos)
- Iratxo
- Irawan, Ria
- Irdorath (Austria / Black Metal)
- Ireland, John (English composer)
- Ireland, John (South African pop)
- Ireland, Jordie
- Ireland, Mike and Holler
- İrem (Turkish pop)
- İrem, İlhan
- Irena (Polish band)
- Irencros
- Irene (Swedish band)
- Irene (aka Irene Stelmakovich)
- Irenegarry (Spanish singer-songwriter)
- Irepelusa
- Iress
- Irfan, Mohammed
- Irgens, Henrik (Danish multi-instrumentalist)
- Irglová, Markéta
- Irglová, Markéta and Hansard, Glen