There are 21 mathematicians whose last name begin with UST.
| Usta, Merrick | Stanford University | 2015 |
| Ustaoglu, Berkant | University of Waterloo | 2008 |
| Ustaoglu, Buse | Universität Bremen | 2022 |
| Ustaoğlu, Ceren | Eastern Mediterranean University | 2018 |
| Uster, Halit | McMaster University | 1999 |
| Üster, Rüya | Istanbul University | 2019 |
| Ustian, Alex | The Ohio State University | 2012 |
| Ustilovsky, Ilya | Stanford University | 1999 |
| Ustimenko, Vasyl | Taras Shevchenko National University of Kyiv | |
| Ustin, Susan | University of California, Davis | 1983 |
| Ustinov, Alexey | Russian Academy of Sciences | 2009 |
| Ustinov, Filip | Lomonosov Moscow State University | 2009 |
| Ustinov, Nikita | St. Petersburg State University | 2021 |
| Ustinov, Yu. | Rostov on Don State University | |
| Ustinovskiy, Yury | Steklov Institute of Mathematics | 2014 |
| Ustinovskiy, Yury | Princeton University | 2018 |
| Ustun, Berk | Massachusetts Institute of Technology | 2017 |
| Ustunel, Ali | Université Pierre-et-Marie-Curie - Paris VI | 1981 |
| Ustunel, Cansel | Université de Genève | 2017 |
| Ustunkar, Gurkan | Middle East Technical University | 2011 |
| Ustyan, Ashot | Tula State Pedagogical University | 1972 |