News Wires, White Papers, and Books
- Okosuns, Sonny
- Okuma, Enuka 1976- (E. Vanessa Okuma, Enuka Vanessa Okuma, Vanessa Okuma)
- Okumoto, Yuji 1959–
- Old 97’s
- Old Woman Magoun
- Olden, Georg(e) 1920–1975
- Oldershaw, Kelsey
- Oldfield, Mike
- Oldham, Will
- Olds, Gabriel 1972–
- Olin, Ken 1954(?)–
- Olivares, Teo 1990- (Matthew "Teo" Olivares)
- Oliver, Jerry 1947–
- Oliver, John J., Jr.
- Oliver, Kimberly
- Oliver, Nicole
- Oliver, Pam
- Oliver, Rochelle 1937–
- Olivia Tremor Control
- Olojede, Dele