There are 4 mathematicians whose last name begin with KOCY.
| Kocyigit, Esra | Florida State University | 2016 |
| Kocyigit, Ilker | University of Washington | 2013 |
| Koçyiğit, Çağıl | École Polytechnique Fédérale de Lausanne (EPFL) | 2020 |
| Kocylowski, Maciej | Université de Genève | 2014 |