Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Ommadawn (LP) | Virgin | V 2043 | UK | 1975 | |
| Ommadawn (Cass, Album) | Virgin | TCV 2043 | UK | 1975 | |
| Ommadawn (LP) | Virgin Dischi | VIL 12043 | Italy | 1975 | |
| Ommadawn (LP) | Virgin | 940.529 | France | 1975 | |
| Ommadawn (LP) | Virgin Records (Canada) | PZ 33913 | Canada | 1975 | |
| Ommadawn (LP, Album) | Virgin International | VI 2043 | US | 1975 | |
| Ommadawn (LP, Album) | Virgin | 89 552 XOT | Germany | 1975 | |
| Ommadawn (LP, Album) | Virgin, Ariola Eurodisc S.A. | 89.552 - I | Spain | 1975 | |
| Ommadawn (LP, Album) | Virgin, Polydor | 2473 717 | France | 1975 | |
| Ommadawn (LP, Promo) | Virgin | PZ 33913 | US | 1975 | |
| Ommadawn (LP, Quad) | Virgin | QAL 33913 | US | 1975 | |
| Ommadawn (LP, Album) | Virgin Records (Benelux) | 27 493 XOT | Netherlands | 1976 | |
| Ommadawn (CD, Album) | Virgin | CDV 2043 | UK | 1986 | |
| Ommadawn (LP, Album, RE) | Virgin Records (Spain) | I-89552 | Spain | 1987 | |
| Ommadawn (CD, Album) | Caroline Blue Plate | CAROL 1855-2 | US | 1991 | |
| Ommadawn (CD) | Disky | VI 873762 | Netherlands | 1996 | |
| Ommadawn (HDCD, Album, RM) | Virgin, Virgin | MIKECD 4, 7243 8 49370 2 7 | UK | 2000 | |
| Ommadawn (LP) | Simply Vinyl (S12) | SVLP 322 | UK | 2001 | |
| Ommadawn (CD, Album, RE, RM) | EMI Music Japan Inc | VJCP-68831 | Japan | 2007 | |
| Ommadawn (LP) | Virgin | 062-VG 50010 | Greece | ||
| Ommadawn (LP, Album) | Virgin | V 2043 | UK | ||
| Ommadawn (LP, Album, RE) | Virgin, Virgin, Virgin, Virgin | 89 552 XOT, 89 552, 89 552 270, 89552-610 | Europe |