There are 22 mathematicians whose last name begin with FID.
| Fidal, David | University of Liverpool | 1985 |
| Fidaleo, Francesco | Università di Roma La Sapienza | 1992 |
| Fidalgo, Felipe | Universidade Estadual de Campinas | 2015 |
| Fidalgo Prieto, Ulises | Universidad Carlos III de Madrid | 2004 |
| Fidan, Barış | ||
| Fidanov, Dimitar | University of Plovdiv | 2021 |
| Fidder, Hendrik | Rijksuniversiteit Groningen | 1993 |
| Fidder, Herman | Rijksuniversiteit Groningen | 2020 |
| Fiddes, Ceridwyn | University of Bath | 2003 |
| Fiddes, Ian | University of California, Santa Cruz | 2017 |
| Fidel, Manuel | Universidad Nacional del Sur | 2004 |
| Fidelis, Eugeniusz | Institute of Mathematics, Polish Academy of Sciences | 1962 |
| Fidelis, Marcello | Universidade Estadual de Campinas | 2005 |
| Fidge, Colin | ||
| Fidia Farah, Quazi | Kansas State University | 2018 |
| Fidkowski, Krzysztof | Massachusetts Institute of Technology | 2007 |
| Fidler, Darren | Heriot-Watt University | 2003 |
| Fidler, Sanja | University of Ljubljana | 2010 |
| Fidler, Thomas | Universität Wien | 2011 |
| Fidler, Vaclav | Rijksuniversiteit Groningen | 1986 |
| Fiduccia, Charles | Brown University | 1973 |
| Fidytek, Irena | Uniwersytet Śląski w Katowicach | 1985 |