There are 19 mathematicians whose last name begin with CAY.
| Çay, Hatice | Yildiz Technical University | 2024 | 
| Cayan, Daniel | University of California, San Diego | 1990 | 
| Caycedo, Juan Diego | University of Oxford | 2012 | 
| Cayci, Semih | The Ohio State University | 2020 | 
| Cayco, Maria | Carnegie Mellon University | 1985 | 
| Cayé, Thomas | ETH Zürich | 2017 | 
| Cayemitte, Fritz | Columbia University | 2000 | 
| Cayetano, Messinger | University of Michigan | 2002 | 
| Cayford, Afton | University of California, Los Angeles | 1961 | 
| Cayirci, Erdal | Boğaziçi University | 2000 | 
| Cayley, Arthur | University College Dublin | 1864/1865/1875 | 
| Cayley, Arthur | Universiteit Leiden | 1864/1865/1875 | 
| Cayley, Arthur | University of Oxford | 1864/1865/1875 | 
| Cayon, Laura | Universidad de Cantabria | 1993 | 
| Cayot, Robert-Olivier | Université de Nice-Sophia Antipolis | 2001 | 
| Cayrols, Sebastien | Sorbonne Université | 2019 | 
| Cayton, Charity Sue-Adams | North Carolina State University | 2012 | 
| Cayton, Lawrence | University of California, San Diego | 2009 | 
| Caywood, Thomas | Harvard University | 1947 | 
