There are 5 mathematicians whose last name begin with YP.
| Ypenburg, Jan Willem | Universiteit van Amsterdam | 1971 |
| Ypey, Adolphus | Universiteit Franeker | 1767 |
| Ypma, Alexander | Technische Universiteit Delft | 2001 |
| Ypma, Fonger | University of Oxford | 2007 |
| Ypsilantis, Thomas | University of California, Berkeley | 1955 |