There are 6 mathematicians whose last name begin with KLAI.
| Klaiber, Alexander | University of Washington | 1994 |
| Klaiber, Bernd | Johannes Gutenberg-Universität Mainz | 1969 |
| Klaij, Christiaan | Universiteit Twente | 2006 |
| Klain, Daniel | Massachusetts Institute of Technology | 1994 |
| Klain, Sarah | University of British Columbia | 2016 |
| Klainerman, Sergiu | New York University | 1978 |