| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Usluga | f | 5992 Uprek | 7563 Severnaya Palmira | Orlov trotter | Kurganskiy 7 | |||
| Uslujlivaya | bay | f | 1979 | 9668 Levit | 16225 Ulika | Orlov trotter | Khrenovskoy Stud | |
| Usluzhlivaya | black | f | 2019 | 11492 Uklon | Ugodnitsa | Orlov trotter | Zaporojskiy konzavod | |
| 20596 Usman | d.-grey | f | 1998 | 11228 Upryamets | 18623 Spayka | Orlov trotter | AOOT "Talvis" Morshanskogo r-n | |
| Usman 119 | bay | f | 1989 | 3134 Maykop | 16974 Upravka | pomes pervogo pokoleniya | Khrenovskoy Stud | |
| 16978 Usmeshka | grey | f | 1980 | 9701 Mius | 16228 Umnitsa | Orlov trotter | Zavivalovskii konzavod | |
| ПО Usmeshka | grey | f | 1997 | 11002 Metop | Ukrainskaya | Warmblut | Lozovskoy konzavod | |
| 22330 Usmeshka | grey | f | 2008 | 11710 Shtok | 20594 Upryajka 38 | Orlov trotter | ch/v Lebedev Iu.B. Moskovskaia | |
| 10486 Usmishka | d.-grey | f | 1949 | 5963 Udel | 10315 Sputnitsa | Orlov trotter | Dubrovskiy konzavod | |
| Usmishka | d.-bay | f | 2007 | 11764 Ispyt | Uvertyura | Orlov trotter | Zaporojskiy konzavod |