There are 29 mathematicians whose last name begin with MEJ.
| Mejak, Severin | Københavns Universitet | 2023 |
| Mejbaum, Wacław | Uniwersytet Wrocławski | 1965 |
| Mejia, Andres | University of Pennsylvania | 2024 |
| Mejia, Carlos | University of Cincinnati | 1993 |
| Mejia, Carlos | Texas State University | 2015 |
| Mejia, Carolina | Universidad Nacional de Colombia | 2017 |
| Mejia, Diego | Kobe University | 2014 |
| Mejia, Diego | University of Cincinnati | 1986 |
| Mejia, Jorge | Lomonosov Moscow State University | 1982 |
| Mejia, Robin | University of California, Berkeley | 2016 |
| Mejía, Carlos | Université Paris-Sud XI - Orsay | 1992 |
| Mejía, Luz | Universidad Nacional de Córdoba | 2014 |
| Mejia-Ariza, Juan | Virginia Polytechnic Institute and State University | 2008 |
| Mejia-Bustamante, Veronica | Emory University | 2013 |
| Mejia Cordero, Julian | The Ohio State University | 2022 |
| Mejia-Hughet, V. Janitzio | Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN) | 2006 |
| Mejia Miranda, Yuri | University of British Columbia | 2012 |
| Mejia-Pedroza, Raul A. | Universidad Nacional Autónoma de México (UNAM) | 2019 |
| Mejia-Perez, Juan | University of Warwick | 1999 |
| Mejia Ramos, Juan | University of Warwick | 2008 |
| Mejias, Angeles | Universitat Politècnica de Catalunya | 1995 |
| Mejias, Luis | Northeastern University | 2001 |
| Mejías, Pedro | Universidad Complutense de Madrid | 1980 |
| Mejías Gil, Antonio | Universität Duisburg-Essen | 2023 |
| Mejías Neira, Camilo Ignacio | Universidad de Concepción | 2019 |
| Mejri, Mohamed | Université Laval | 2001 |
| Mejstrik, Thomas | Universität Wien | 2019 |
| Mejza, Stanislaw | ||
| Mejzler, David |