U
aus Tierdoku, der freien Wissensdatenbank
| Ubaldo-Pagayon | Adela Ubaldo-Pagayon (???) |
| Uchida | T. Uchida (???) |
| Udaka | Midori Udaka (???) |
| Uddman | Isaac Uddman (1731–1781) |
| Ueda | S. Ueda (???) |
| Uemoto | Kiichi Uemoto (???) |
| Ueno | Ryuhei Ueno (???) |
| Ulomskii | S. Ulomskii (???) |
| Ulrich | Hans Ulrich (1934–?) |
| Underwood | Benjamin A. Underwood (???) |
| Underwood | William Lyman Underwood (1864–1929) |
| Unti | Ovidio Unti (???) |
| Urbain | Achille Urbain (1884–1957) |
| Usher | Pamela Jean Usher (???) |
| Ussachov | Dmitriy Anatolievich Ussachov (???) |
| Ussova | Zinaida Ussova (1926–?) |
| Urquhart | Arthur Urquhart (?–1916) |
| Utmar | Joyce A. Utmar (???) |
| Uvarov | Boris Petrovich Uvarov (1889-1970) |
