| Namn | Licens | Födelseår | Far | Mor | Morfar |
|---|---|---|---|---|---|
| Outlaw (EI) | 1990 | ||||
| Outrageous | 968145 | 1991 | Carrolls Flight | Outre | Blakeney |
| Outsider | 233512 | 1996 | Zuidhorn | Hacaron | Dr Bulasco |
| Ouverture | 900712 | 1977 | Herkules | Belly | Obelisk |
| Ouverture | 227794 | 1992 | Goldgraf | Zoraya | Favorit |
| Ouvertyr | 11939 | 1977 | Carnoustie | Duett | Queens Proctor |
| Ouvertyr | 31369 | 1983 | Sombrero | Krecita | Krevad |
| Ouvertyr | 1957 | Sorrento | Ancea | Salvator | |
| Ouvertyr | 10222 | 1978 | Bratin | Polka | Pompe |
| Ouzo | 969928 | 1989 | Greek Song xx | Olympia | Mr Franklin |
| Ouzo | 241930 | 2002 | Aerline H | Zaza | Vermouth |
| Ouzo | 252317 | 2003 | Quite Easy | Simone | Paridor |
| Ouzzian | 51788 | 1975 | Ouzo | Chalull | Chevalier |
| Ovation | 253557 | 2004 | Camposanto | Ozean Girl | Landzauber |
| Ovation 10 | 232505 | 1996 | Rampa | ||
| Ove | 985848 | 1993 | Sanny Boy | Britta | |
| Ovechki | 251229 | 2005 | Bernstein | Karisma (SWB) | Neapel |
| Ovenskovgaards Djarka | 3541 | 1968 | Dorian Grey N | Hair Pin | Putte |
| Over Eighty xx | 225697 | 2000 | Eighty Eight Keys | Winters Over | Persian Bold |
| Over the Hedge | 258744 | 2002 | |||
| Overgaardens Zafira | 233237 | 2000 | Aquvavit N | Patricia | Asplau xx |
| Overlord | 998537 | 1995 | Robin Z | Evita | Elizar |
| Overlord | 221531 | 1999 | Underworld xx | Fantasy Flame | Ciceron |
| Ovina | 228362 | 1999 | Arrlik | Ofelia | Gandalf Grå |
| Ovina Van T Gelutt Z | 249751 | 2000 | Omar | Natalle Bleu De Rialfo | Goldspring De Lauzelle |
| Ovolto vant Gestelhof | 213889 | 1991 | Voltaire | Dorien vd Bremersen | Ubergabe |
| Oväder | 11144 | 1979 | Oden | Luna | Logik |
| Owaj | 35683 | 1978 | Oden | Fawanna | Hertzog |
| Owbeg Bridge | 985568 | 1992 | Ballysimon | Killaloe Beauty | |
| Owen | 986547 | 1991 |