| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Unna 321210332003 | f | Holsteiner | ||||||
| Unnak 2757 | c | toriyskaya | ||||||
| Unofuego M | d.-bay | c | 2012 | 427 Faktor 04 | 3616 Ulybka M | Trakehner | Malanitschewych | |
| Unsah 6669 | c | Unnak 2757 | Hundra 13509 | toriyskaya | ||||
| Unsak 6669 T | c | toriyskaya | Estonya | |||||
| Unschuld | f | Holsteiner | ||||||
| Unter | l.bay | c | 2003 | Uspech | 00344 Elektra | Warmblut Mischung | Gestut Dowator (RZOP KS i K) | |
| Unumata | chestnut | f | 1978 | Amor | Animata | gollandskaya teplokrovnaya | ||
| Unze L 1844 | f | 1970 | Flagmanis Lb 703 | Ore Lb 1277 | gannovero-latviyskaya | |||
| 1576 Unzija 32 | bay | f | 1975 | 74 Obelisk 41 | 491 Utecha,ex Ura | Trakehner | Pochinkovskii kz |