There are 9 mathematicians whose last name begin with CIL.
| Cilesiz, Yesim | Boston University | 1997 |
| Cilia, Raffaella | Università di Catania | 1994 |
| Ciliberto, Ciro | Università degli Studi di Napoli Federico II | 1973 |
| Ciliberto, Federico | Northwestern University | 2001 |
| Cilibrasi, Rudi | Universiteit van Amsterdam | 2007 |
| Cilingir, Figen | Georg-August-Universität Göttingen | 2002 |
| Cilleruelo, Javier | Universidad Autónoma de Madrid | 1989 |
| Cilliers, Pierre | Universiteit Stellenbosch | 2021 |
| Çiloğlu, Pelin | Middle East Technical University | 2023 |