| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Ultraschall 3304570 | chestnut | c | 1975 | Holsteiner | ||||
| Ultraviolet | grey | f | 1997 | Clinton | Liane | belgiyskaya polukrovnaya | Belgium | |
| Ultrazvuk | chestnut | c | Oldenburger | Germany | ||||
| Ulva I DE321210079982 | d.-bay | f | 1982 | Caletto II HOL 210093778 | Herzblatt DE321210614671 | Holsteiner | ||
| Ulve | palom. | f | 1982 | Urnak 10515 T | Khillo 18251 T | toriyskaya | ||
| Ulvis L 843 | bay | c | 1970 | Rolans Lb 609 | Jalta L 1507 | Latvian Warmblut | Latvia | |
| Ulwi 17547 N | f | Urbos 6767 N | Leelo 12295 N | Latvian Warmblut | ||||
| Ulybka M | black | f | 2008 | 482 Brest | 2139 Ulika | Trakehner | Malanitschewych | |
| Ulypse | bay | f | 1982 | Calypso I 321210603473 | Bambina | Holsteiner | Germany | |
| Ulypse 210058482 | bay | f | 1982 | Calypso I 321210603473 | Bambina | Holsteiner | Germany |