alphabetical list:
| Wessel UBINK |  | Yuuta UCHIDA |  | Jun UCHIUMI | |
| Masaki UCHIYAMA | | Norikazu UCHIYAMA | | Azhar UDIN |  |
| Kazuma UECHI | | Hirokatsu UEDA | | Katsuhito UEDA | |
| Kenki UEDA | | Shiki UEDA | | Taisei UEDA | |
| Yoshiaki UEDA | | Daichi UEHARA | | Hiroichi UEHARA | |
| Itsuki UEHARA | | Ryu UEHARA | | Yuuma UEHARA | |
| Kenji UEMATSU | | Ryuuki UEMIZU | | Ryo UEMURA | |
| Yoshinori UETSU | | Reima UGAJIN | | Oleg UGODNIKOV |  |
| Hugo UIJLENBROEK | | Sies UILKEMA | | Jochem UITHOVEN | |
| Nick UITHOVEN | | Igor UKOLOV | | Kristian ULEKLEIV |  |
| Hunter ULETT |  | Jevgenij ULJANENKO |  | Nikolaj ULJANIN | |
| Aleksandr ULJANOV |  | Demid ULJANOV | | Vladimir ULJANOV | |
| Alisher UMAROV | | Takumi UMEDA | | Shunichi UMEMURA | |
| Igor UMERENKOV | | Georg UNGER | | André UNTERDÖRFEL | |
| Hannes UNTERMARZONER |  | Dawid URBAŃSKI |  | Andrej URENJOV | |
| Dmitrij URLJAPOV | | Ryou URUSHIZAWA | | Jurij URZJUMOV | |
| Yuuta USAMI | | Falk USCHNER | | Nikita USENKO | |
| Takeshi USHIDA | | Dai USHIYAMA | | Genki USHIYAMA | |
| Hiroki USHIYAMA | | Takahiro USHIYAMA | | Dmitrij USJAKOV | |
| Vladislav USJAKOV | | Vladislav USJAKOV | | Andrej USJMAJEV | |
| Rustam USMANOV | | Konstantin USTINOV | | Dmitrij USTJANTSEV | |
| Aleksej USTJUZJANINOV | | Konstantin USTSOV | | Maciej USTYNOWICZ | |
| Hidenori USUI | | Denis UTROBIN | | Lars-Magne UTTISRUD | |
| Galbaatar UUGANBAATAR |  | Borys UVAROV |  | Jochem UYTDEHAAGE | |
