| Okładka | Wykonawca | Album | Rok | Gatunek | Typ |
|---|---|---|---|---|---|
 | Oregon [US] | Out Of The Woods | 1978 | jazz fusion | L |
 | Oregon [US] | Crossing | 1985 | jazz fusion | L |
 | Oregon [US] | Beyond Words | 1995 | jazz fusion | L |
 | Organ Spot [PL] | Organ Spot | 2013 | jazz | L |
 | Organek [PL] | Głupi | 2014 | rock | L |
 | Organek [PL] | Czarna Madonna | 2016 | rock | L |
 | Orgy | Vapor Transmission | 2000 | industrial metal, alternative metal | L |
 | Orkiestra Taneczna Rozgłośni Śląskiej Polskiego Radia [PL] | Pod dyrekcją Jerzego Haralda Nagrania z lat 1954-1964 Z Archiwum Polskiego Radia | 2015 | pop | L |
 | OSBY, Greg [USA] | Season Of Renewal | 1990 | free jazz/free funk | L |
 | Osibisa [GB] | Osibirock | 1974 | african popular music/jazz fusion | O |