There are 26 mathematicians whose last name begin with LEK.
| Léka, Zoltán | University of Szeged | 2009 |
| Lekadir, Ouiza | Université de Béjaïa | 2011 |
| Lekahdiya, Hiren | National Institute of Technology, Surat | 2020 |
| Lekatsas, Tel | University of Queensland | 2008 |
| Lekaus, Silke | Universität Duisburg-Essen | 2002 |
| Lekaveckas, Mindaugas | Massachusetts Institute of Technology | 2014 |
| Lekeas, George | City, University of London | 2011 |
| Lekeas, Paraskevas | National Technical University of Athens | 2004 |
| Lekeu, Victor | Université Libre de Bruxelles | 2018 |
| Lekeufack, Jordan | University of California, Berkeley | 2025 |
| Lekha, Divya Sindhu | University of Kerala | 2017 |
| Lekic, Nela | Universiteit Maastricht | 2015 |
| Lekien, Francois | California Institute of Technology | 2003 |
| Lekili, Yankı | Massachusetts Institute of Technology | 2009 |
| Lekivetz, Ryan | Simon Fraser University | 2011 |
| Lekkakos, Spyridon-Damianos | Universidad de Zaragoza | 2016 |
| Lekkas, Dimitrios | University College London | 2023 |
| Lekkerkerker, Cornelis | Universiteit Utrecht | 1955 |
| Lekkerkerker, Henk | University of Calgary | 1971 |
| Lekkerkerker, Jan | Rijksuniversiteit Groningen | 1972 |
| Lekkerkerker, Johannes | Technische Universiteit Delft | 1965 |
| Lekkoksung, Nareupanat | Khon Kaen University | 2019 |
| Lekkoksung, Somsak | Universität Potsdam | 2010 |
| Lekkos, Anthony | Southern Methodist University | 1972 |
| Leko, Marko | University of Belgrade | 1963 |
| Lekveishvili, David | Lomonosov Moscow State University | 1984 |