| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Ulyanovsk | bay | c | 2023 | 900217000169140 | 0901-5 Monomakh | 5511-7 Hurrah | Thoroughbred | Donskoi Stud |
| Ulybchivaya | bay | f | 2011 | не введен | 0544-4 Abonement | 3435-5 Ushkuinica | Thoroughbred | Svobodny Trud Farm |
| 0742-2 Ulybka | chestnut | f | 1993 | 3621-1 Stimul | 6445-1 Sakhara | Thoroughbred | APK "Kavkaz" | |
| 3433-5 Ulybochka | bay | f | 2008 | 643094100013584 | 0505-4 Berlander | 0744-2 Umbra | Thoroughbred | Agro-Galan Farm |
| Ulyot | chestnut | c | 2020 | 981020033559525 | Not Bourbon | You're Beingplayed | Thoroughbred | Charles E. Fipke |
| Ulzana | bay | f | 2011 | не введен | 0553-4 Almakhtub | 0741-2 Ulovka | Thoroughbred | Mr Shurupov Yu.V. |
| Ulzana Ay | br. | f | 2014 | не введен | 1130-5 Hasan Sakhi | 4253-6 Kardona | Thoroughbred | Mr. Gochiiaev M.A. |
| Um | chestnut | c | 2002 | 0230-3 Mazhor | 0748-2 Utrata | Thoroughbred | Sofievskoe Farm | |
| Uma-Turman | d.-bay | f | 2005 | 0955-5 Salomon | 10335 Turtziya | Thoroughbred | Bashlaev S.K | |
| Umar | chestnut | c | 2001 | 0117-2 Mais | 0748-2 Utrata | Thoroughbred | Sofievskoe Farm |