| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 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 | |
| Uorld Dajmond O, W.Diamond | bay | c | 1998 | White Star | Matcho's Girl O | Hannoveraner | Germany | |
| Uorld Ledi | bay | f | 2010 | Uorld Dajmond O, W.Diamond | 781 Ledi Wi | Hannoveraner | Elitar, PKCh | |
| Up To Date | grey | f | 2007 | Cashandcarry | Melodie S | Holsteiner | Germany | |
| Up to Date 01.11081 | grey | c | 2001 | Camerino 210068195 | Rococo 98.09428 | gollandskaya teplokrovnaya | Niederlande | |
| Upa | f | 1988 | Ulwi 17547 N | Mischling | ||||
| Upa | f | 1998 | belorusskaya upryazhnaya |