There are 13 mathematicians whose last name begin with KAYS.
| Kays, James | Rensselaer Polytechnic Institute | 1980 |
| Kays, William | Stanford University | 1950 |
| Kaysen, Carl | Harvard University | 1954 |
| Kayser, Bengt | Universiteit van Amsterdam | 1994 |
| Kayser, Daniel | Université Pierre-et-Marie-Curie - Paris VI | 1975 |
| Kayser, Daniel | Université Pierre-et-Marie-Curie - Paris VI | 1970 |
| Kayser, Gerhard | Technische Universität Dresden | 1974 |
| Kayser, Heinrich | Universität Berlin | 1879 |
| Kayser, Hilke | University of Wisconsin-Madison | 1994 |
| Kayser, Kirk | Arizona State University | 2018 |
| Kayser, Mark | University of California, Los Angeles | 2002 |
| Kayser, Tilo | Technische Universität Carolo-Wilhelmina zu Braunschweig | 2000 |
| Kayser-Herold, Oliver | Technische Universität Carolo-Wilhelmina zu Braunschweig | 2006 |