- O Brot
- Octobe
- Oh Won
- Olde P
- Om Hre
- One Ma
- Oohara
- Ordo E
- Osenni
- OST GT
- OST Th
- OST Мо
- OST Шк
- Outspo
- Ozzy O
Список исполнителей на букву O
- O Brother Where Art Thou
- O mame blou
- O-Hum
- O-Sash
- O-Two Feat. Dima.G
- O-Zon
- O-Zone
- O-Zone -
- O-Zone Dan Balan
- O. Children
- O. Ciorici si formatia Contemporanul
- O. Hammerstein - J. Kern
- O. Torvald
- O.A.R.
- O.Kim feat. Rebellium
- O.L' feat. Крым
- O.N.E.
- O.Prox
- O.S.T. Amelie
- O.S.T.R.
- o.sychewa
- O.TORVALD
- O.Torvald -
- O.V. Wright
- o.Volya
- O'berTone
- O'Kay
- O'MoG Group
- O'NMe
- O2
- O4.Neverоятный
- Oasic
- Oasis
- Oasis ft. Johny Depp
- Oathbreaker
- Obadiah Parker
- OBB
- Obe
- Obe 1 Kanobe ft. T.O.M.M.Y. BLUNT
- Obedinenie SKAD
- Oberhofer
- Oberschlesien
- Obey the Brave
- Obie Bermudez
- Obiit
- Obituary
- OBK
- OBLADAET
- OBLADAET x Markul
- obladaet и sted.d
- Oblak
- OBLIVION DUST
- OBMOROK
- Obrint Pas CAT
- Obscurant
- Observer Drift
- OBSESION
- Obsession
- Obsidieth
- Obtenebris
- Obtest
- Ocean
- Ocean Avenue
- Ocean Color Scene
- Ocean Colour Scene
- Ocean In The Mind
- Ocean Jet
- Ocean Justice
- Ocean Of Hate
- Ocean Of Misery
- Ocean Of My Dreams
- ocean palace
- Ocean Red
- Ocean Waves
- Ocean Wings
- Oceana
- Oceana-cry cry
- Oceania
- Oceanlab
- Oceano
- Oceans Divide
- Oceans Four feat Adam Clay
- Oceans Of Sadness
- Oceans Red
- Oceanship
- Oceansize
- Oche Ulukyanan
- Ochirov
- Ocktavian NOte
- Octafonic
- OCTAGON
- Octave one
- Octavia
- Octavio Mesa Y Su Conjunto
- Octavus
- October 15
- October Country
- October Falls
- October Project
- October Tide