| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Uguns 854 | bay | c | 1970 | Rolans Lb 609 | Saiva 325 | Latvian Warmblut | Latvia | |
| Uhr | f | 1982 | Capitol I | Lacera 210801074 | Holsteiner | |||
| Uhrendorf 210306003 | bay | f | Logger 3215 | Flade | Holsteiner | Germany | ||
| Uigurs | c | Latvian Warmblut | ||||||
| Uiker | grey | c | 1968 | gollandskaya teplokrovnaya | ||||
| 834 Uill tu Uin | chestnut | f | 2010 | Uorld Dajmond O, W.Diamond | 383 Welma 01 | Hannoveraner | Elitar, PKCh | |
| Ukarina 330084076 | black | f | Ultimo 060045761 | Reina | Oldenburger | |||
| Ukase | bay | c | 1964 | Ibrahim | Joyeuse | frantsuzkaya verkhovaya | ||
| Ukase d.l.Drie | f | Jasmin | Houlgatte | |||||
| Ukase Ter Putte | bay | f | 1997 | Darco | Quinette Ter Putte | belgiyskaya polukrovnaya | Belgium |