| Last Name Sort descending | First Name | Year | City | Section/Speaker Type | 
|---|---|---|---|---|
| Gandz | Solomon | 1936 | Oslo | Logic, Philosophy, and History | 
| Ganea | T. | 1962 | Stockholm | Topology & Differential Geometry | 
| Garabedian | P. R. | 1966 | Moskva | Numerical mathematics | 
| Garbasso | A. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy | 
| Garcia | Godofredo | 1932 | Zurich | Mechanics and Mathematical Physics | 
| Gårding | L. | 1958 | Edinburgh | Plenary | 
| Gårding | L. | 1970 | Nice | Analysis | 
| Garland | Howard | 1974 | Vancouver | Algebraic Groups & Discrete Subgroups | 
| Garnett | J. B. | 1986 | Berkeley | Real and Functional Analysis | 
| Garnier | Josselin | 2018 | Rio de Janeiro | Probability and Statistics, Mathematics in Science and Technology | 
| Garsia | A. M. | 1978 | Helsinki | Real & Func. Analy. | 
| Gärtner | Jügen | 1994 | Zurich | Prob & Stats | 
| Gavriloff | A.F. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis | 
| Gawędzki | K. | 1986 | Berkeley | Mathematical Physics | 
| Ge | Liming | 2002 | Beijing | Operator Algebras & Functional Analysis | 
| Gehring | F. W. | 1966 | Moskva | Classical analysis | 
| Gehring | F. W. | 1974 | Vancouver | Complex Analysis | 
| Gehring | F. W. | 1986 | Berkeley | Plenary | 
| Geiß | Christof | 2018 | Rio de Janeiro | Algebra, Lie Theory and Generalizations | 
| Gelander | Tsachik | 2018 | Rio de Janeiro | Lie Theory and Generalizations | 
| Gelbart | A. | 1950 | Cambridge (USA) | |
| Gelfand | I. M. | 1954 | Amsterdam | Plenary | 
| Gelfand | I. M. | 1962 | Stockholm | Plenary | 
| Gelfand | I. M. | 1970 | Nice | Plenary | 
| Geman | S. | 1986 | Berkeley | Applications of Mathematics to Nonphysical Sciences |