There are 5 mathematicians whose last name begin with OLC.
| Olcay, Alev | İstanbul Teknik Üniversitesi | 1976 |
| Olcay, Ali | Southern Methodist University | 2007 |
| Olcaylar, Ismet | Ankara University | 1957 |
| Olcmen, Semih | Virginia Polytechnic Institute and State University | 1990 |
| Olcuoglu, Tarkan | Middle East Technical University | 2016 |