| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 7864 Uvertyura | bay | f | 1930 | 175 Vnuchok | 1011 Umnitsa | Orlov trotter | Tabun-Aralskii k.z. | |
| Uvesistyy | grey | c | 1969 | 6294 Volshebnik | 13290 Upornaya | Orlov trotter | Novotomnikovskii konzavod | |
| Uvlekatelnaya | bay | f | 1967 | 6294 Volshebnik | 13290 Upornaya | Orlov trotter | Novotomnikovskii konzavod | |
| 21486 Uvlekatelnaya | grey | f | 2004 | 11542 Kanjon | 17939 Ulitka | Orlov trotter | OOO "Niva" Novotomnikovskii PK | |
| 10422 Uvlekatelnaya | bay | f | 1942 | 2466 Velbot | 7864 Uvertyura | Orlov trotter | Iurgamyshskii k.z. | |
| 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 |