| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Utrillo | d.-bay | c | 1954 | Orator | Unterwegs | Thoroughbred | Germany | |
| Utrish | bay | c | 2009 | 643094100034310 | 0461-4 Turbo Storm | 1891-4 Ulviia | Thoroughbred | Agro-Galan Farm |
| Uvarka | d.-bay | f | 2010 | не введен | 1004-5 Vikar | 2558-4 Uenna | Thoroughbred | Mr Tharkakhov N.H. |
| Uvertiura | chestnut | f | 1999 | 3746-1 Triple Buck | 0740-2 Uzhimka | Thoroughbred | Mr. Fominyh A.N. | |
| Uvira II | d.-bay | f | 1938 | Umidwar | Lady Lawless | Thoroughbred | Great Britain | |
| Uvita | bay | f | 2020 | 643110800065819 | 1044-5 Serebryany Bor | 5512-7 Utrenyaya Prohlada | Thoroughbred | Donskoi Stud |
| Uzbek | chestnut | c | 1870 | Viskont | Albona | Thoroughbred | ||
| Uzda | d.-bay | c | 1904 | Ruler | Helim | Thoroughbred | ||
| 0740-2 Uzhimka | chestnut | f | 1993 | 3510-1 White Reef | 6446 Sarzha | Thoroughbred | APK "Kavkaz" | |
| Uzhnaya Kalifornia | bay | f | 2018 | не введен | 1432-7 Falkado | 4988-7 Kvin Takho | Thoroughbred | Mr Bikmurzin K.S. |