| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Solonnikov | V. A. | 1986 | Berkeley | Partial Differential Equations and Dynamic Systems |
| Solovej | Jan Philip | 2022 | Virtual | Mathematical Physics |
| Somigliana | C. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Somigliana | C. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Somigliana | C. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Sommerfeld | A. | 1904 | Heidelberg | Applied Mathematics |
| Sommerfeld | A. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Sommerville | D.M.Y. | 1912 | Cambridge | Geometry |
| Sontag | Eduardo D. | 1994 | Zurich | Applications of Mathematics in the Sciences |
| Soudry | David | 2006 | Madrid | Lie Groups and Lie Algebras |
| Souganidis | Panagiotis E. | 1994 | Zurich | Part. Diff. Equations |
| Soule | C. | 1983 | Warszawa | Algebra |
| Soundararajan | Kannan | 2010 | Hyderabad | Number Theory |
| Soundararajan | Kannan | 2022 | Virtual | Plenary Lecture |
| Sourek | A. v. | 1904 | Heidelberg | Pedagogy |
| Sousloff | G. | 1900 | Paris | Mechanics |
| Speed | T.P. | 2002 | Beijing | Prob & Stats |
| Speh | Birgit | 2006 | Madrid | Lie Groups and Lie Algebras |
| Speicher | Roland | 2014 | Seoul | Analysis and its Applications |
| Speiser | A. | 1928 | Bologna | Analysis |
| Speiser | Andreas | 1932 | Zurich | Analysis |
| Speiser | Andreas | 1936 | Oslo | Analysis |
| Spencer | D. C. | 1970 | Nice | Geometry & Topology |
| Spencer | Joel | 1994 | Zurich | Combinatorics |
| Spencer | T. | 1986 | Berkeley | Mathematical Physics |