| Okładka | Wykonawca | Album | Rok | Gatunek | Typ |
|---|---|---|---|---|---|
 | OLIVEROS, Paulino Stuart Dempster Panaiotis [all US] | Deep Listening | 1989 | contemporary/ambient | L |
 | OLSEN, Angel [US] | Big Time | 2022 | alternative rock/indie rock/folk/country | L |
 | OLSON, Carla [US] & Mick TAYLOR [US] | 'Live' | 1990 | blue rock | L |
 | Oly. [PL] | Home | 2015 | indie pop/alternative | L |
 | Oly. [PL] | Rzeczy których nie mówię. kiedy jestem dorosła | 2018 | indie pop/alternative | L |
 | Omega [H] | 10000 lépés No.3 | 1969 | rockpsychedelic/folk/pop | L |
 | Omega [H] | Éjszakai országút | 1970 | progressive rock | L |
 | Omega [H] | Élő Omega | 1972 | progressive rock | L |
 | Omega [H] | Omega 5 | 1973 | progressive rock | L |
 | Omega [H] | Ω (German 1st Album) | 1973 | progressive rock | L |