There are 13 mathematicians whose last name begin with FAJ.
| Fajans, Kasimir | Ruprecht-Karls-Universität Heidelberg | 1909 |
| Fajardo, José | Instituto de Matemática Pura e Aplicada | 2000 |
| Fajardo, Ricardo | University of Rochester | 1993 |
| Fajardo, Rogério | Universidade de São Paulo | 2007 |
| Fajardo, Sergio | University of Wisconsin-Madison | 1984 |
| Fajardo Cardenas, William | Universidad Nacional de Colombia | 2018 |
| Fajardo-Delgado, Daniel | Centro de Investigación Científica y de Educación Superior de Ensenada | 2011 |
| Fajgelbaum, Pablo | Princeton University | 2011 |
| Fajman, David | Freie Universität Berlin | 2012 |
| Fajman, Petr | Czech Technical University in Prague | 1995 |
| Fajnsztejn-Pollack, Gloria | Massachusetts Institute of Technology | 1971 |
| Fajstrup, Lisbeth | Aarhus University | 1992 |
| Fajtlowicz, Siemion | Polska Akademia Nauk | 1968 |