There are 13 mathematicians whose last name begin with FIER.
| Fier, Jeffrey | California Institute of Technology | 1985 |
| Fieremans, Timmy | Vrije Universiteit Brussel | 2019 |
| Fierens, Daan | Katholieke Universiteit Leuven | 2008 |
| Fierens, Pablo | Cornell University | 2003 |
| Fiering, Myron | Harvard University | 1960 |
| Fiernkranz, Tim | Justus-Liebig-Universität Gießen | 2021 |
| Fierro, Carmen | Universidad Complutense de Madrid | 1980 |
| Fierro, Eduardo | Université de Rennes 1 | 1996 |
| Fierro, Ricardo | University of California, San Diego | 1992 |
| Fierro Murga, Leobardo | University of Arizona | 1993 |
| Fierro Pradenas, Raúl | Pontificia Universidad Católica de Chile | 1986 |
| Fierz, Hugo | Université de Genève | 1978 |
| Fierz, Markus | Universität Zürich | 1936 |