There are 13 mathematicians whose last name begin with KLES.
| Klešč, Marián | Univerzita Pavla Jozefa Šafárika v Košiciach | 1995 |
| Klesczewski, Kenneth | University of Connecticut | 1999 |
| Klesh, Andrew | University of Michigan | 2009 |
| Kleshchelski, Isaac | Northwestern University | 2008 |
| Kleshchev, Alexander | Institute of Mathematics, National Academy of Sciences of Belarus | 1993 |
| Kleshnina, Maria | University of Queensland | 2019 |
| Klesken, Daniel | Carnegie Mellon University | 1967 |
| Kleski, Craig | University of Virginia | 2013 |
| Klesov, Oleg | Taras Shevchenko National University of Kyiv | 1981 |
| Klespis, Mark | University of Texas at Austin | 1984 |
| Klessig, Robert | University of California, Berkeley | 1971 |
| Kleszcz, Elżbieta | Akademia Górniczo-Hutnicza | 2024 |
| Kleszcz, Jan | Uniwersytet Śląski w Katowicach | 1994 |