| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Unesco | chestnut | c | 1975 | Trakehner | Germany | |||
| Unessa I | bay | f | 2004 | Contender | Green Velvet | Holsteiner | Germany | |
| Unette | f | Cadmus | Nannet | gollandskaya teplokrovnaya | ||||
| Ungaria | f | poznanskaya | ||||||
| Ungarin 210310803 | f | Holsteiner | ||||||
| Ungeduld | chestnut | f | 1973 | Neujahr | Urana | Trakehner | ||
| Unica | f | 1982 | Farnese 321210380460 | Pamila | Holsteiner | Germany | ||
| Uniek | chestnut | f | 2001 | Cabochon | Zinta | gollandskaya teplokrovnaya | Niederlande | |
| Uniflore | f | 1964 | Aviso | Navale | anglo-arabskaya | |||
| Uniform | bay | f | 1982 | Lord | Italien | Holsteiner |