There are 10 mathematicians whose last name begin with DIEF.
| Diefenbach, Ludger | Universität zu Köln | 1957 |
| Diefenbach, Martin | Universität Dortmund | 2003 |
| Diefenbach, Thomas | Florida State University | 1991 |
| Diefenbacher, Hans | Universität Kassel | 1983 |
| Diefenderfer, Caren | University of California, Santa Barbara | 1980 |
| Diefenthaler, Kamala | University of South Carolina | 2013 |
| Diefes-Dux, Heidi | ||
| Dieffenbach, Bruce | Harvard University | 1972 |
| Dieffenbach, Heinrich | Justus-Liebig-Universität Gießen | 1819 |
| Dieffenbach, Robert | The University of Iowa | 1971 |