R&B
R&B
Otis Redding 56
Ohio Players 30
Omarion 16NEW
Odyssey 19
Oleta Adams 11
Omar 16
October London 8
Orgone 12
O.C. Smith 11
O'Bryan 6
Otis Clay 12
One Way 3
O.V. Wright 15
Ozone 7NEW
Omar Cunningham 5
Oscar Brown Jr. 12
Oran "Juice" Jones 
Olivia 2
Owen Gray 4
Oneness Of Juju 4
Olympic Runners 7
Oysterhead 2
Oliver Cheatham 4
Omar Apollo 10
Out Of The Blue 2
Otis Blackwell 
O'Donel Levy 7
O'Ryan 3
Olga 5
Ollie Nightingale 4
Oliver Sain 3
Ofege 
Ol' Skool 3
Oklou 5
Otis Kane 4
Onitsha 
Ollie & The Nightingales 4
Orions Belte 9
Onaje Allan Gumbs 3- O'chi Brown 3
Oscar Jerome 4- Odeal 6
Ola Onabule - O.B. Buchana
Orion Sun 3
One Chance 
Opia - Otis Williams & The Charms 3
Oshun 2
Osaka Monaurail 2- O'Flava Psi
- Ocote Soul Sounds 4
- Opus 7 2
OVALL 2
Odie 2
O.G. Funk 
Organized Noize 
Olio 2
Ochi 3
Ollie Gabriel - Oh Yeah
Organic! 2
Onyx Collective - O Cooper
Otis G Johnson - Oxlade 2
- Oscar James 6
Oshy 
Othello & The Hipknotics 
ORLY - Obisoulstar
- Ogi
- O.W.S.
- Oktbrwrld 3
- Oliver Goodridge
Otis Day & The Knights 
One'sy Mack 
Olive Jones - Ondee 2
Owusu & Hannibal - Olu Femi
- Otherside
Otis Stacks - Overton Berry
Otoe 
Onre Nobles 10- OMEGA66
- Osayimwese
- Omar Chandler
- Odyssey 5
- Obsidian Dyad
- Oscar & The Majestics
Olivia Noelle - Omar Wilson
Oxy Turbo - Omar K. Mills
- Odell Johnson 2
- Ocean 503
- Oral X. Richards
- NEW — Artist has been updated in past 30 days
- Artist 3 — number of albums
