O

* O’Conner, Des
* October Country
* O’Dell, Brooks
* O’Dell, Kenny
* Odom, Joe
* Ofarim, Esther & Abi
* O’Henry, Lenny
* Ohio Express
* O’Jays, The
* O’Kaysions, The
* O'Keefe, Larry
* O’Keefe, Johnny
* Ola & The Janglers
* Oliver
* Oliver, Sy
* Olympics, The
* Opals, The
* Orbison, Roy
* Orbits, The
* Orchids, The
* Ordge, Jimmy
* Original Caste
* Original Casuals
* Original Surfaris
* Originals (50s)
* Originals, The (60s)
* Orioles, The
* Orlando, Tony
* Orlons, The
* Orpheus
* Orr, Chet & The Rumbles
* Ortega, Frank Trio
* Osburn, Bob
* Others, The (UK)
* Others, The (US)
* Otis & Carla (see Redding, Otis)
* Otis, Clyde
* Otis, Johnny Show
* Outer Limits, The
* Outlaws, The
* Outsiders, The
* Ovations, The
* Overlanders, The
* Owen, Reg & His Orchestra
* Owens, Buck
* Owens, Donnie
* Owens, Freddy