There are 11 mathematicians whose last name begin with GREL.
| Grelak, Felix | Universität Duisburg-Essen | 2014 |
| Grelaud, Aude | Université Paris IX - Dauphine | 2009 |
| Grell, Heinrich | Georg-August-Universität Göttingen | 1926 |
| Grella, Guido | ETH Zürich | 2013 |
| Grellier, Sandrine | ||
| Grelling, Kurt | Georg-August-Universität Göttingen | 1910 |
| Grellmann, Christian | Technische Universität Ilmenau | 1981 |
| Grellmann, Lothar | Rheinische Friedrich-Wilhelms-Universität Bonn | 1980 |
| Grellois, Charles | Université Paris Diderot - Paris 7 | 2016 |
| Grellscheid, David | University of Cambridge | 2003 |
| Grelowski, Krzysztof | Uniwersytet Jagielloński | 2007 |