| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Uyut | grey | c | 2021 | Baykyer 23 12 | 22327 Ugryumaya | Orlov trotter | "Elanskiy konnyy zavod" | |
| Uyutnaya Okolitsa | d.-grey | f | 1962 | 7944 Otklik | 13270 Uvertyura | Orlov trotter | Dubrovskiy konzavod | |
| Uza | black | f | 1977 | 9147 Zadonsk | 15574 Ulovka | Orlov trotter | Shahovskoy konzavod | |
| Uzbek | grey | c | 1995 | 10963 Burlak | 18330 Ulochka | Orlov trotter | OPH "Chernyshevskoe" Saratovsk | |
| 7884 Uzda | f | Orlov trotter | ||||||
| 11876 Uzda | d.-grey | f | 1955 | 7473 Den | 10479 Uraza | Orlov trotter | Zaporojskiy konzavod | |
| 4725 Uzdechka | black | f | 1931 | 334 Zontik | 1023 Uteha | Orlov trotter | Novotomnikovskii konzavod | |
| Uzdnik | black | c | 1963 | 7518 Zabytyy | 13270 Uvertyura | Orlov trotter | Dubrovskiy konzavod | |
| 5967 Uzelok | grey | c | 1940 | 1123 Vandal | 2675 Usadba | Orlov trotter | Permskiy konzavod | |
| Uzelok | bay | c | 1981 | 9668 Levit | 15580 Upakovka | Orlov trotter | Khrenovskoy Stud |