| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Slade | Gordon | 1994 | Zurich | Mathematical Physics |
| Shimura | Goro | 1970 | Nice | Geometry & Topology |
| Köthe | Gottfried | 1932 | Zurich | Algebra and Number Theory |
| Köthe | Gottfried | 1936 | Oslo | Analysis |
| Fichtenholz | Gr. M. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Milton | Graeme | 1998 | Berlin | Applications |
| Segal | Graeme | 1990 | Kyoto | Mathematical Physics |
| Hjorth | Greg | 1998 | Berlin | Logic |
| Beylkin | Gregory | 1998 | Berlin | Numerical Analysis & Scientific Computing |
| Moore | Gregory | 1994 | Zurich | Mathematical Physics |
| Seregin | Gregory | 2010 | Hyderabad | Mathematical Physics |
| Lawler | Gregory | 2018 | Rio de Janeiro | Plenary |
| Olshanski | Grigori | 2014 | Seoul | Combinatorics |
| Margulis | Grigorii A. | 1990 | Kyoto | Plenary |
| Mikhalkin | Grigory | 2006 | Madrid | Geometry |
| Swiatek | Grzegorz | 1998 | Berlin | Ordinary Differential Equations & Dynamical Systems |
| Castelnuovo | Guido | 1928 | Bologna | Plenary |
| Stampacchia | Guido | 1970 | Nice | Analysis |
| De Philippis | Guido | 2018 | Rio de Janeiro | Analysis and Operator Algebras, Partial Differential Equations |
| Cortinas | Guillermo | 2014 | Seoul | Algebra |
| Harder | Günter | 1990 | Kyoto | Lie Groups & Representation |
| Malle | Gunter | 1998 | Berlin | Algebra |
| Ziegler | Günter M. | 2014 | Seoul | Mathematics Education and Popularization of Mathematics |
| Ziegler | Gunter M. | 2002 | Beijing | Combinatorics |
| Schulz | Günther | 1932 | Zurich | Probability calculus, insurance mathematics, and statistics |