jazzmicke
| O'Jays | 1 skiva |
| For The Love Of Money (mono)/same (stereo) (US promo) | 1974 (7"-single) |
| Öjler's Orkester, Jan | 1 skiva |
| Natten Har Tusen Ögon / Det Var Du Som Stal Mitt Hjärta Marianne | 1968 (7"-singel) |
| O'Keefe, Danny | 1 skiva |
| Good Time Charlie's Got The Blues (stereo)/same (mono) (US promo) | 1972 (7"-single) |
| Old & In The Way | 1 skiva |
| same (live, reissue 1986) | 1975 (LP) |
| Olin Band, Maggi | 1 skiva |
| La Specialité | 2005 (CD) |
| Olin, Mats | 1 skiva |
| Jag tror på sommaren/Gossen med det gyllene äpplet | 1967 (7"-single) |
| Olin Quartet, Maggi | 1 skiva |
| Landofme | 1996 (CD) |
| Oliver | 1 skiva |
| Good Morning Starshine/Can't You See | 1969 (7"-single) |
| Olsson, Mats and His Orchestra | 1 skiva |
| Swedish Brass | 1966 (LP) |
| Olsson, Mats med sin orkester | 1 skiva |
| Lappland / Margaretha | 1964 (7"-single) |
| Olssons Orkester, Mats | 2 skivor |
| W. Peterson-Berger (Gratulation / När Rönnen Blommar / Intåg i Sommarhagen / Danslek ur "Ran") | 1960 (EP) |
| Riksväg 13 (Riksväg 13 / Tunnelbanepolka / Gökvalsen / Fritiof och Carmencita | 1962 (EP) |
| Ono, Yoko | 1 skiva |
| Walking On Thin Ice: For John/It Happened | 1981 (7"-single) |
| Opus | 2 skivor |
| Live Is Life (live September 2, 1984) | 1984 (LP) |
| Live is Life/Up and Down | 1984 (7"-single) |
| Opus Seven | 1 skiva |
| Bussle/same (US promo) | 1979 (7"-single) |
| Orbison, Roy | 5 skivor |
| Dream Baby (How Long Must I Dream)/The Actress | 1962 (7"-single) |
| Oh Pretty Woman/It's Over (reissue tracks from 1964) | 1972 (7"-single) |
| Only the Lonely (Know The Way I Feel)/Up Town (songs originally released in 1960 and 1959) | 1972 (7"-single) |
| The Sun Story, Vol. 4 | 1974 (LP) |