| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 2551 Ulybka | chestnut | f | 2017 | 687 Palladium | 1953 Pastva 1 | Arabian | Naumov A.N. | |
| Uncained Melody (US) | chestnut | f | 1990 | ZT Ali Baba (US) | Blu Bint Haleema(US) | Arabian | ||
| Unchainedd Melody (US) | chestnut | f | 1981 | ZT Ali Baba (US) | Blu Bint Haleema(US) | Arabian | ||
| Underteker | bay | c | 2020 | 643090000419810 | 452 Benedick (FR) | 2295 Ancely (FR) | Arabian | Mr Buhtoyarov V.P. |
| Unikum | grey | c | 1989 | 174 Mascat 6 | 549 Ulita 20 | Arabian | Khrenovskoy Stud | |
| Uppercut | chestnut | c | 2022 | 643090000562008 | 665 Karmel De Faust (FR) | 2295 Ancely (FR) | Arabian | Mr Buhtoyarov V.P. |
| Ural (SSB) | f | Maguillo (SSB) | Gaibeles(SSB) | Arabian | ||||
| Urman | grey | c | 1990 | 174 Mascat 6 | 549 Ulita 20 | Arabian | Khrenovskoy Stud | |
| Ursus SBE POL | c | Arabian | ||||||
| Ustav | chestnut | c | 1988 | 213 Temir 26 | 549 Ulita 20 | Arabian | Khrenovskoy Stud |