There are 12 mathematicians whose last name begin with LEONT.
| Leont'ev, Aleksei | 1942 | |
| Leont'ev, Aleksei | 1948 | |
| Leontiadis, Ilias | University College London | 2009 |
| Leontiadis, Nektarios | Carnegie Mellon University | 2014 |
| Leontief, Wassily | Universität Berlin | 1928 |
| Leontiev, Alex | University of Tokyo | 2019 |
| Leontiev, Rostislav | St. Petersburg State University | 1990 |
| Leontiev, Yuri | University of Alberta | 1999 |
| Leontovich, Andrei | Lomonosov Moscow State University | 1970 |
| Leontovich, Mikhail | Lomonosov Moscow State University | |
| Leontovich-Andronova, Evgeniya | Nizhni Novgorod Nikolai Ivanovich Lobachevski University | 1946 |
| Leontyev, Hennadiy | The University of North Carolina at Chapel Hill | 2010 |