| Namn | Licens | Födelseår | Far | Mor | Morfar |
|---|---|---|---|---|---|
| Ojsan | 11737 | 1981 | |||
| OJ Simpson | 216242 | 1995 | Tiger | Dear Bear | Ideal de Gazeau |
| Okachi | 6300 | 1974 | Caracas | Pyret | Clarke |
| Okama | 955358 | 1989 | Robin Z | Odenna | Oden |
| Okan | 216807 | 1994 | |||
| Okänd häst | |||||
| Okapi | 36165 | 1981 | Leonardi | Donny | Bacardi |
| Okay | 3995 | 1978 | Oden | Urbino | |
| OKay | 234228 | 2001 | Rodlease Dancing Gold | Shadow | Burton After Dark |
| Okay Bambi | 238599 | 2001 | Öxenholm Bobby | Okay Ciwi | Cannon |
| Okay Barbie | 223414 | 1997 | Öxenholm Bobby | Cornette | Lukas |
| Okay Bolly | 232829 | 1999 | Öxenholm Bobby | Nelly Dun | Tulira Highball |
| Okay Caiza | 231422 | 2000 | Cannon | Nice Weather | Nice and Tasty |
| Okay Carola | 240613 | 2000 | Cannon RC | Iowa RC | Värnbergs Orion RC |
| Okay Cosmos | 254099 | 1999 | Cannon | Iowa | Värnbergs Orion |
| Okays Primus | 215018 | 1997 | Lasandos | Little Boy | |
| Okeanos 1097 | 236910 | 1998 | Magini | Garbo | Krocket |
| Okeeffe van S | 252296 | 2004 | New Balance | Myrra (61) (SWB) | Master (SWB) |
| Okeido | 955017 | 1987 | Trombon | Cocette | Cosmos |
| Okej | 8051 | 1974 | Janus | Kona | Dorn |
| Okella | 215787 | 1997 | Cortez | Jamaica | Asterix |
| OKelly | 28037 | 1983 | Netherkelly | Cateryne | Ballymoss |
| OKerrick | 11807 | 1971 | |||
| Oke van de Heiberm | 231663 | 1998 | Kashmir | Kinglys Heeven | Freddy Flocton |
| Okey | 955283 | 1992 | Chapman | Caradilla | Herkules |
| Okey | 1976 | Jocer | Oketta | Orlando | |
| Okey | 267 | 1983 | |||
| Okey | 44154 | 1981 | Karakoll | Docky | Rockad |
| O´Key | 234720 | 1999 | Eighty Eight Keys xx | Matilda | O´den |
| Okey Friendship | 900239 | 1982 | Maximus | Rift Friendship |