There are 4 mathematicians whose last name begin with POSSI.
| Posilicano, Andrea | Scuola Internazionale Superiore di Studi Avanzati (SISSA) | 1991 |
| Posingies, Anna | Humboldt-Universität zu Berlin | 2010 |
| Positselski, Leonid | Harvard University | 1998 |
| Possingham, Hugh | University of Oxford | 1987 |