| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Kucharz | Wojciech | 2018 | Rio de Janeiro | Algebraic and Complex Geometry |
| Barth | Wolf | 1974 | Vancouver | Algebraic Geometry |
| Dahmen | Wolfgang | 1994 | Zurich | Numerical Analysis & Scientific Computing |
| Hackbusch | Wolfgang | 1998 | Berlin | Plenary |
| Lück | Wolfgang | 2010 | Hyderabad | Topology |
| Soergel | Wolfgang | 1994 | Zurich | Lie Groups |
| Sternberg | Wolfgang | 1936 | Oslo | Analysis |
| Schmidt | Wolfgang M. | 1970 | Nice | Algebra |
| Schmidt | Wolfgang M. | 1974 | Vancouver | Plenary |
| Hsiang | Wu-Chung | 1970 | Nice | Geometry & Topology |
| Hsiang | Wu-chung | 1983 | Warszawa | Plenary |
| Hsiang | Wu-Yi | 1974 | Vancouver | Algebraic & Differential Topology |
| Buff | Xavier | 2010 | Hyderabad | Dynamical Systems and Ordinary Differential Equations |
| Tolsa | Xavier | 2006 | Madrid | Analysis |
| Zhou | Xiangyu | 2002 | Beijing | Real & Complex Analysis |
| Liu | Xiaobo | 2006 | Madrid | Geometry |
| Rong | Xiaochun | 2002 | Beijing | Differential Geometry |
| Zhu | Xiaohua | 2022 | Virtual | Geometry |
| Ma | Xiaonan | 2010 | Hyderabad | Geometry |
| Zhou | Xin | 2022 | Virtual | Geometry |
| Zhu | Xinwen | 2022 | Virtual | Number Theory, Lie Theory and Generalizations |
| Du | Xiumin | 2022 | Virtual | Analysis |
| Chen | Xiuxioung | 2002 | Beijing | Differential Geometry |
| Zhang | Xu | 2010 | Hyderabad | Control Theory & Optimization |
| Wang | Xu-Jia | 2002 | Beijing | Part. Diff. Equations |