| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 19008 Unja | black | f | 1995 | 10363 Zhemchuzhny Persten | 16964 Uzornaya | Orlov trotter | Shadrinskiy konzavod | |
| Unja | d.-grey | f | 1988 | 10634 Jakop | 17179 Ustupka | Orlov trotter | Khrenovskoy Stud | |
| Unkariya | bay | f | 1990 | 10417 Kedrach | 16975 Uraza | Orlov trotter | Shahovskoy konzavod | |
| Unos | black | c | 1971 | 8734 Ozornik | 13270 Uvertyura | Orlov trotter | Dubrovskiy konzavod | |
| Unta | bay | f | 1964 | 6294 Volshebnik | 13290 Upornaya | Orlov trotter | Novotomnikovskii konzavod | |
| Untsiya | grey | f | 1991 | 010920 Namestnik | 17178 Uprugost | Orlov trotter | Zavivalovskii konzavod | |
| Untsiya | d.-bay | f | 2008 | 11764 Ispyt | Uvertyura | Orlov trotter | Zaporojskiy konzavod | |
| Untyer - Ofitsyer | bay | c | 2012 | 11842 Frak | 21045 Uprava | Orlov trotter | Egorov G.M., g. Samara | |
| Upa | f | 1992 | 10910 Prezent | 17896 Upsala | Orlov trotter | Dubrovskiy konzavod | ||
| 013215 Upa | bay | f | 1957 | 6704 Lerik | 010443 Ulika | Orlov trotter | Zavivalovskii konzavod |