| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Gérardin | A. | 1912 | Cambridge | Didactics |
| Gérardin | A. | 1920 | Strasbourg | Philosophy, History, and Didactics |
| Gérardin | A. | 1928 | Bologna | Analysis |
| Gérardin | A. | 1932 | Zurich | Algebra and Number Theory |
| Grothendieck | A. | 1958 | Edinburgh | Plenary |
| Grothendieck | A. | 1970 | Nice | Algebra |
| Gruzewska | A. | 1928 | Bologna | Analysis |
| Gruzewski | A. | 1928 | Bologna | Analysis |
| Gruzewski | A. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Guldberg | A. | 1904 | Heidelberg | Arithmetic and Algebra |
| Guldberg | A. | 1920 | Strasbourg | Mechanics, Physical Mathematics, Astronomy |
| Guldberg | A. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Gutzmer | A. | 1904 | Heidelberg | Pedagogy |
| Gutzmer | A. | 1908 | Rome | Philosophy, History, and Didactics |
| Haar | A. | 1928 | Bologna | Analysis |
| Haefliger | A. | 1966 | Moskva | Topology |
| Hajnal | A. | 1974 | Vancouver | General Topology, Real & Functional Analysis |
| Heyting | A. | 1932 | Zurich | Philosophy and History |
| Huber | A. | 2002 | Beijing | Number Theory |
| Hurwitz | A. | 1897 | Zurich | Plenary |
| Jaffe | A. | 1978 | Helsinki | Mathematical Physics & Mechanics |
| Joseph | A. | 1983 | Warszawa | Algebra |
| Junnila | A. | 1936 | Oslo | Analysis |
| Katok | A. | 1983 | Warszawa | Ord. diff. equations & dynamical systems |
| Kawaguchi | A. | 1928 | Bologna | Geometry |