| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Sheppard | W.F. | 1924 | Toronto | Statistics, Actuarial Science, Economics |
| Shilnikov | L. | 2002 | Beijing | Ordinary Differential Equations & Dynamical Systems |
| Shimura | G. | 1958 | Edinburgh | Algebra & Theory of Numbers |
| Shimura | G. | 1966 | Moskva | Theory of numbers |
| Shimura | G. | 1978 | Helsinki | Number Theory |
| Shimura | Goro | 1970 | Nice | Geometry & Topology |
| Shin | Sug Woo | 2022 | Virtual | Number Theory |
| Shintani | T. D. | 1978 | Helsinki | Lie Groups |
| Shioda | Tetsuji | 1990 | Kyoto | Number Theory |
| Shiohama | K. | 1978 | Helsinki | Geometry |
| Shiryayev | A. N. | 1970 | Nice | Analysis |
| Shiryayev | A. N. | 1978 | Helsinki | Plenary |
| Shishikura | Mitsuhiro | 1994 | Zurich | Real & Complex Analysis |
| Shlyakhtenko | Dimitri | 2010 | Hyderabad | Functional Analysis and Applications |
| Shmerkin | Pablo | 2022 | Virtual | Analysis |
| Shnirelman | Alexander | 2010 | Hyderabad | Partial Differential Equations |
| Shohat | J.A. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Shokurov | V. V. | 1986 | Berkeley | Algebraic Geometry |
| Shor | Peter W. | 1998 | Berlin | Plenary/Prize winner |
| Shore | R. A. | 1983 | Warszawa | Mathematical logic & foundations of mathematics |
| Shu | Chi-Wang | 2014 | Seoul | Numerical Analysis and Scientific Computing |
| Shub | Michael | 2006 | Madrid | Ordinary Differential Equations and Dynamical Systems |
| Shustin | Eugenii I. | 1990 | Kyoto | Geometry |
| Sibirani | F. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Sibony | Nessim | 1990 | Kyoto | Real & Complex Analysis |