There are 5 mathematicians whose last name begin with POSA.
| Pósa, Lajos | Eötvös Loránd University | 1982 |
| Posacki, Silvia | Università di Bologna | 2014 |
| Posada, David | Rensselaer Polytechnic Institute | 2013 |
| Posashkov, Sergii | Taras Shevchenko National University of Kyiv | 2008 |
| Posashkova, Svitlana | Taras Shevchenko National University of Kyiv | 2013 |