There are 7 mathematicians whose last name begin with IST.
| Istanbulluoglu, Erkan | Utah State University | 2003 |
| Istock, Conrad | University of Michigan | 1964 |
| Istrail, Sorin | University of Bucharest | 1979 |
| Istrate, Mihai | Universitatea din Pitesti | 2015 |
| Istrati, Nicolina | Université Paris Diderot - Paris 7 | 2018 |
| Istre, Erik | University of Canterbury | 2017 |
| Istvan, Kyle | Louisiana State University | 2017 |