| Last Name | First Name | Year | City Sort descending | Section/Speaker Type |
|---|---|---|---|---|
| Spruck | Joel | 1994 | Zurich | Part. Diff. Equations |
| Stenzel | J. | 1932 | Zurich | Plenary |
| Stéphanos | C. | 1897 | Zurich | Arithmetic and Algebra |
| Sternberg | W. | 1932 | Zurich | Probability calculus, insurance mathematics, and statistics |
| Stickelberger | L. | 1897 | Zurich | Arithmetic and Algebra |
| Stillwell | John | 1994 | Zurich | Teaching & Popularization of Mathematics |
| Stodola | A. | 1897 | Zurich | Mechanics and Mathematical Physics |
| Stolz | Stephan | 1994 | Zurich | Topology |
| Störmer | Carl | 1932 | Zurich | Mechanics and Mathematical Physics |
| Stouffer | E. B. | 1932 | Zurich | Geometry |
| Straneo | Paolo | 1932 | Zurich | Mechanics and Mathematical Physics |
| Strubecker | Karl | 1932 | Zurich | Geometry |
| Suslin | Andrei | 1994 | Zurich | Algebra |
| Sverak | Vladimir | 1994 | Zurich | Part. Diff. Equations |
| Synge | J. L. | 1932 | Zurich | Mathematical-technical sciences and astronomy |
| Tamarkin | J. D. | 1932 | Zurich | Analysis |
| Tanaka | Hiroshi | 1994 | Zurich | Prob & Stats |
| Taubes | Clifford H. | 1994 | Zurich | Plenary |
| Taylor | Richard | 1994 | Zurich | Number Theory |
| Thomsen | Gerhard | 1932 | Zurich | Geometry |
| Threlfall | W. | 1932 | Zurich | Geometry |
| Tiercy | Georges | 1932 | Zurich | Mathematical-technical sciences and astronomy |
| Tonelli | Leonida | 1932 | Zurich | Analysis |
| Tonolo | Angelo | 1932 | Zurich | Mechanics and Mathematical Physics |
| Tricomi | F. | 1932 | Zurich | Analysis |