| Okładka | Wykonawca | Album | Rok | Gatunek | Typ |
|---|---|---|---|---|---|
 | Onyx [USA] | All We Got Iz Us | 1995 | rap/hip hop | L |
 | Oomph! [D] | Sperm | 1994 | industrial metal | L |
 | Oomph! [D] | Plastik | 1999 | industrial metal | L |
 | Oomph! [D] | Wahrheit oder Pflicht | 2004 | industrial metal | L |
 | OPANIA [PL] | Cohen • Nohavica (2CD) | 2015 | pop | L |
 | Openspace [PL] | Openspace | 2008 | progressive rock | L |
 | Opera [PL] | Opera (drugi raz na CD) | 2018 | cold wave/soft rock | L |
 | Opeth [S] | Heritage | 2011 | progressive metal | L |
 | Opeth [S] | Sorceress | 2016 | progressive metal | L |
 | Oracle | Pool Of Dreams | 1998 | celtic music/new age | L |