| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Segal | G. B. | 1970 | Nice | Geometry & Topology |
| Segal | Graeme | 1990 | Kyoto | Mathematical Physics |
| Segal | I. E. | 1966 | Moskva | Functional analysis |
| Segal | I. E. | 1970 | Nice | Analysis |
| Segre | B. | 1928 | Bologna | Geometry |
| Segre | B. | 1950 | Cambridge (USA) | Geometry & Topology |
| Segre | B. | 1954 | Amsterdam | Plenary |
| Segre | B. | 1958 | Edinburgh | Algebraic & Differential Geometry |
| Segre | C. | 1904 | Heidelberg | Plenary |
| Segre | C. | 1908 | Rome | Plenary |
| Seidel | Paul | 2002 | Beijing | Differential Geometry |
| Seifert | Herbert | 1932 | Zurich | Geometry |
| Seip | Kristian | 1998 | Berlin | Analysis |
| Seiringer | Robert | 2014 | Seoul | Invited (lecture was not given) |
| Sela | Zlil | 2002 | Beijing | Algebra |
| Selberg | A. | 1950 | Cambridge (USA) | Algebra & Theory of Numbers/Prize winner |
| Selberg | A. | 1962 | Stockholm | Plenary |
| Selberg | Henrik L. | 1936 | Oslo | Analysis |
| Sell | G. R. | 1983 | Warszawa | Ord. diff. equations & dynamical systems |
| Semadeni | Z. | 1986 | Berkeley | Teaching of Mathmatics |
| Semenovich Holevo | Alexander | 2006 | Madrid | Mathematical Aspects of Computer Science |
| Semmes | Stephen W. | 1994 | Zurich | Real & Complex Analysis |
| Sen | B. M. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Seppäläinen | Timo | 2014 | Seoul | Probability and Statistics |
| Seregin | Gregory | 2010 | Hyderabad | Mathematical Physics |