- Oh No feat. Murs
- Oh No feat. Vast Aire
- Oh No Fiasco
- Oh No Not Stereo
- Oh No Oh My
- Oh No Ono
- Oh No! Yoko
- oh ok
- Oh Pep!
- Oh Romance
- Oh Romeo
- Oh Sees (formerly known as Thee Oh Sees)
- Oh Snap It's Luke!
- Oh Susanna
- Oh The Blood
- Oh The Horror
- oh the joy. (new age/meditation music)
- Oh The Larceny
- Oh Well
- Oh Wonder
- Oh, Flamingo! (Filipino indie rock band)
- Oh, Ha-young
- Oh, Juliet!
- Oh, Libia!
- Oh, Manhattan
- Oh, Nadia
- Oh, Ny
- Oh, Rose
- Oh, Sleeper
- Oh, The Story!
- Oh, Weatherly (TX Pop Punk Band)
- Oh! (of Tromsø, Norway)
- Oh! Ayatollah
- Oh! Penelope
- Oh! Tiger Mountain
- Oh. (aka Olivia Hadjiioannou)
- Oh'laville
- Ohal (Ohal Grietzer)
- Ohana Bam
- Ohara, Raz and Odd Orchestra, The
- Ōhara, Sakurako
- Ohara, Yuiko
- Ohashi, Ayaka
- Ohashi, Junko
- ohashiTrio
- Ohasis (Oasis Tribute band from Nottingham)
- Ohbijou
- Ohead
- OHEY
- OhGeesy
- OhGeesy Feat. Boogie Wit da Hoodie, A
- OhGeesy Feat. Cee, Central
- OhGeesy Feat. DaBaby
- OhGeesy feat. Kalan.FrFr
- ohGr (electro-industrial band)
- Ohguro, Maki
- Ohio Express
- Ohio Players
- Ohio State University Marching Band
- Ohja, Udhav, Shetty, Manohar, Ishaan, Pandit, Shweta, Bhatawdekar, Sonali & Mazumdar, Preetha
- OHKABE (Canadian Artist)
- Ohkawa, Mizuki (riparia records)
- Ohlenbusch, Henning (singer/songwriter)
- Ohlin, Ari
- Ohm (fusion band of ex-Megadeth guitarist Chris Poland)
- Ohm Guru
- Ohm-N-I
- Ohmama, Takashi
- Ohmen, Wilhelm (German classical pianist)
- Ohmna
- Ohmura, Takayoshi
- OHN
- Ohno, Eri
- Ohno, Yuji (anime music composer and jazz pianist)
- Ohno, Yuji & Lupintic Five
- Ohno, Yuji & You & The Explosion Band
- Ohno, Yuji, Trio
- OHO (Trip-Hop/Folk/Electronica)
- OhPonyBoy
- Ohrbooten
- Ohrenfeindt
- Ohtani, Tomoya
- Ohtani, Tomoya feat. NateWantsToBattle
- Ohtani, Tomoya, Eguchi, Takahito feat. Barnitt, Quinn
- Ohtar (Polish black metal)
- Ohtis
- Oi Polloi
- Oi Va Voi
- Oi Va Voi feat. Zinger, Earl
- Oi-Melz
