There are 13 mathematicians whose last name begin with GEC.
| Gecan, Anton | University of South Florida | 1992 |
| Gecan, Ronald | University of Minnesota - Twin Cities | 1997 |
| Geček Tuđen, Ivana | University of Zagreb | 2014 |
| Geche (Gecse), Frigyes | Uzhhorod National University | 1965 |
| Gechter, Jerry | Massachusetts Institute of Technology | 1974 |
| Gechter, Michael | Boston University | 2015 |
| Gecili, Emrah | University of Cincinnati | 2018 |
| Geck, Gaetano | Technische Universität Dortmund | 2019 |
| Geck, Meinolf | Rheinisch-Westfälische Technische Hochschule Aachen | 1990 |
| Geckeler, Josef | Technische Universität München | 1921 |
| Gecks, Thorsten | Universität Bayreuth | 2011 |
| Gécseg, Ferenc | Hungarian Academy of Sciences | 1967 |
| Geczy, Christopher | The University of Chicago | 1999 |