| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Saltykow | N. | 1908 | Rome | Arithmetic, Algebra, Analysis |
| Saltykow | N. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Samarski | A. A. | 1974 | Vancouver | Numerical Mathematics |
| Samarski | A. A. | 1978 | Helsinki | Numerical Analysis |
| Sampson | R.A. | 1912 | Cambridge | Mechanics and Economics |
| Samsioe | A. Frey | 1924 | Toronto | Engineering |
| Samuel | P. | 1958 | Edinburgh | Algebraic & Differential Geometry |
| San Juan | R. | 1936 | Oslo | Analysis |
| Sanders | Tom | 2014 | Seoul | Analysis and its Applications, Combinatorics |
| Sannia | G. | 1928 | Bologna | Geometry |
| Sansone | G. | 1928 | Bologna | Analysis |
| Santalo | L.A. | 1950 | Cambridge (USA) | Geometry & Topology |
| Santos | Francisco | 2006 | Madrid | Combinatorics |
| Sanz-Serna | J. M. | 1994 | Zurich | Numerical Analysis & Scientific Computing |
| Saper | Leslie | 1990 | Kyoto | Algebraic Geometry |
| Sapir | Mark | 2006 | Madrid | Algebra |
| Sarig | Omri | 2010 | Hyderabad | Dynamical Systems and Ordinary Differential Equations |
| Sarkar | Sucharit | 2018 | Rio de Janeiro | Topology |
| Sarnak | Peter | 1998 | Berlin | Plenary |
| Sarnak | Peter C. | 1990 | Kyoto | Number Theory |
| Sato | M. | 1970 | Nice | Analysis |
| Sato | M. | 1983 | Warszawa | Plenary |
| Savage | L. J. | 1958 | Edinburgh | Probability & Statistics |
| Savin | Ovidiu | 2006 | Madrid | Partial Differential Equations |
| Sazonov | V. V. | 1970 | Nice | Analysis |