| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Feit | Walter | 1970 | Nice | Plenary |
| Feller | W. | 1958 | Edinburgh | Plenary |
| Figalli | Alessio | 2018 | Rio de Janeiro | Plenary/Prize winner |
| Fleming | W. H. | 1983 | Warszawa | Plenary |
| Floer | Andreas | 1990 | Kyoto | Plenary |
| Forsyth | A.R. | 1908 | Rome | Plenary |
| Fréchet | Maurice | 1928 | Bologna | Plenary |
| Fréchet | Maurice | 1936 | Oslo | Plenary |
| Frieze | Alan | 2014 | Seoul | Plenary |
| Fröhlich | Jürg | 1986 | Berkeley | Plenary |
| Fröhlich | Jürg | 1994 | Zurich | Plenary |
| Fueter | Rud. | 1932 | Zurich | Plenary |
| Fueter | Rud. | 1936 | Oslo | Plenary |
| Furstenberg | Hillel | 2010 | Hyderabad | Plenary |
| Galitzin | Prince B. | 1912 | Cambridge | Plenary |
| Gallavotti | Giovanni | 1998 | Berlin | Plenary |
| Gårding | L. | 1958 | Edinburgh | Plenary |
| Gehring | F. W. | 1986 | Berkeley | Plenary |
| Gelfand | I. M. | 1954 | Amsterdam | Plenary |
| Gelfand | I. M. | 1962 | Stockholm | Plenary |
| Gelfand | I. M. | 1970 | Nice | Plenary |
| Gentry | Craig B. | 2022 | Virtual | Plenary Lecture |
| Ghys | Étienne | 2006 | Madrid | Plenary |
| Glimm | James | 1974 | Vancouver | Plenary |
| Gödel | K. | 1950 | Cambridge (USA) | Plenary |