| Trakehner Name | Sex | Foaled | Sire | Dam | Color | |
|---|---|---|---|---|---|---|
| Ulfilas | Stallion | Unknown | Unknown | |||
| Ulm | Mare | 1986 | Donauwind *E* | Undine | chestnut | |
| Ulricke | Mare | 1937 | Thorwaldsen | Urte | chestnut | |
| Ultima | Mare | Oekonom | Urinia | chestnut | ||
| Ultimar | Stallion | 1988 | Unkenruf *Pg*E* | Amyola xx | chestnut | |
| Ultimate Crusade xx | Mare | 1998 | Crusader Sword xx | Ultimate Invader xx | chestnut | |
| Ultimate Destiny (Chuck) | Gelding | 1979 | Count von Bijou | Up The Vale xx | chestnut | |
| Ultimate Invader xx | Mare | 1980 | Night Invader xx | Funny Pie xx | Unknown | |
| Ultimately | Mare | 1998 | Hailo *Pg*E* | Ultimate Miss xx | bay | |
| Ultimately Larissa | Mare | 1997 | B Rolando | Northern Path xx | Unknown | |
| Ultimate Miss xx | Mare | 1989 | Ultimate Pride xx | Towering Miss xx | chestnut | |
| Ultimate Pride xx | Stallion | Unknown | Unknown | |||
| Ultimatum xx | Mare | Unknown | Unknown | |||
| Ultimus xx | Stallion | Unknown | Unknown | |||
| Ultra Love | Mare | Unknown | Unknown | |||
| Ultra New xx | Mare | Unknown | Unknown | |||
| Ultra Son | Stallion | Unknown | Unknown | |||
| Ultra TE | Stallion | Unknown | Unknown | |||
| Uma | 2009 | Prelude By Mozart | Untouchable | |||
| Umberland xx | Mare | Unknown | Unknown | |||
| Umbra | Mare | 1996 | E.H. Herzzauber | Under The Rainbow | dark bay/brown | |
| Umbrer | Stallion | Unknown | Unknown | |||
| Umbrette xx | Mare | Unknown | Unknown | |||
| Umidwar xx | Stallion | Unknown | Unknown | |||
| Unabashed | Mare | 1982 | Istanbul | Uta II | bay |