There are 7 mathematicians whose last name begin with JEC.
| Jech, Thomas | Universitas Carolina Prague | 1966 |
| Jechlitschka, Kurt | Humboldt-Universität zu Berlin | 1978 |
| Jechoutek, Karl | University of Wisconsin-Milwaukee | 1980 |
| Jecke, Rudolph | Universität Rostock | 1909 |
| Jecker, Orane | École Polytechnique Fédérale de Lausanne (EPFL) | 2017 |
| Jeckmans, Arjan | Universiteit Twente | 2014 |
| Jecko, Thierry | Université de Nantes | 1996 |