There are 7 mathematicians whose last name begin with PETA.
| Petäjistö, Antti | Massachusetts Institute of Technology | 2003 |
| Petalas, Alexandros | University of California, Davis | 2018 |
| Petalas, Philippe-Emmanuel | Princeton University | 2009 |
| Petalas, Yannis | University of Patras | 2008 |
| Petalcorin, Gaudencio | University of the Philippines | 1996 |
| Petalidou, Fani | Université Pierre-et-Marie-Curie - Paris VI | 1998 |
| Petapirak, Montakarn | Universität Duisburg-Essen | 2014 |