- Omaja
- OMNOM
- Onur Koç
- oy
- ONYVAA
- Odiax
- oorun
- Oscxr
- Oz Zeros
- OSG
- Organic Noise From Ibiza
- Olarte
- Overmars
- Oseka
- Olje
- Our True Lies
- Olivia Oliveira
- Obajossy
- OSD.
- On The Mountain
- Ofir J.Rock
- Omega Ensemble
- outliers
- Omtenas
- Oepangat
- Os Travessos
- Olana Liss
- Olisa Franklin
- Oritsefemi
- OTR
- Organized Bazar
- onedayfromdeath
- OneWave
- Osama Hamadani
- Order.
- Olimpia Street Mafia
- Octave 20
- Owain Crockett
- Offerings to Odin
- 欧栗蟹
- ONE1WAY
- Onzieb
- OC from NC
- Otibo
- Onlyapanda
- Outside Broadcast Recording
- Osie Johnson
- Ossi Karhunen
- Otb Drilla
- 噢卖盖思密达
- Odiato
- Odysseus
- omu
- OM3
- One S T Family
- Ozbits
- Ovidiu Anton
- OCB
- Ohmsy D
- OddKidOut
- oddchapters
- Omnifariam
- Ox.Eagle.Lion.Man
- Oh Jeremiah
- Office Music Lounge
- Original Ober
- Oscar Avendaño y los Profesionales
- Ootheo
- Okqy
- Ohsoyoucaine
- Old Locust Hill
- Ocean Bay Electronica
- Orange Space Project
- Onestrumental
- Opus Kink
- oaiq
- O.Y.G. redruM 781
- Ob Nelson
- Oto Kapanadze
- 偶尔被夏季击垮
- Ole Kock Hansen
- Orquesta Típica Julián Peralta
- Official Wilough
- Ouwop
- Old Grape God
- Ornithology
- Optional Rubber Duck
- off the menu
- Orestes Macho Lopez
- O3-1
