| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Young | W.H. | 1908 | Rome | Arithmetic, Algebra, Analysis |
| Young | W.H. | 1924 | Toronto | Plenary |
| Berry | W.J. | 1924 | Toronto | Engineering |
| Humphreys | W.J. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Smirnoff | W.J. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Williams | W.L.G. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Hodge | W.V.D. | 1950 | Cambridge (USA) | |
| Sierpinski | Waclaw | 1932 | Zurich | Plenary |
| Sierpinski | Waclaw | 1936 | Oslo | Analysis |
| Givens | Wallace | 1936 | Oslo | Geometry and Topology |
| Feit | Walter | 1970 | Nice | Plenary |
| Rudin | Walter | 1970 | Nice | Analysis |
| Gan | Wee Teck | 2014 | Seoul | Number Theory |
| Zhang | Wei | 2018 | Rio de Janeiro | Number Theory |
| E | Weinan | 2002 | Beijing | Application of Mathematics in the Sciences |
| E | Weinan | 2022 | Virtual | Plenary Lecture |
| Zhang | Weiping | 2002 | Beijing | Differential Geometry |
| Wang | Weiqiang | 2022 | Virtual | Lie Theory and Generalizations |
| Shen | Weixiao | 2014 | Seoul | Dynamical Systems and Ordinary Differential Equations |
| Ding | Weiyue | 2002 | Beijing | Differential Geometry |
| Bao | Weizhu | 2014 | Seoul | Mathematics in Science and Technology |
| Lin | Wen-Hsiung | 1983 | Warszawa | Topology |
| Wu | Wen-Tsun | 1986 | Berkeley | History of Mathematics |
| Jardetzky | Wenceslas | 1932 | Zurich | Analysis |
| Werner | Wendelin | 2006 | Madrid | Probability and Statistics/Prize winner |