| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| De Galdeano | Z.G. | 1908 | Rome | Philosophy, History, and Didactics |
| Rudnick | Zeev | 2014 | Seoul | Number Theory, Analysis and its Applications |
| Ma | Zhi-Ming | 1994 | Zurich | Prob & Stats |
| Zhang | Zhifei | 2022 | Virtual | Partial Differential Equations |
| Xia | Zhihong | 1998 | Berlin | Ordinary Differential Equations & Dynamical Systems |
| Chen | Zhiming | 2006 | Madrid | Numerical Analysis and Scientific Computing |
| Yun | Zhiwei | 2018 | Rio de Janeiro | Algebraic and Complex Geometry, Lie Theory and Generalizations |
| Xu | Zhouli | 2022 | Virtual | Topology |
| Xin | Zhouping | 2002 | Beijing | Application of Mathematics in the Sciences |
| Kolter | Zico | 2022 | Virtual | Statistics and Data Analysis |
| Reichstein | Zinovy | 2010 | Hyderabad | Algebra |
| Sela | Zlil | 2002 | Beijing | Algebra |
| Chatzidakis | Zoé | 2014 | Seoul | Logic and Foundations |
| de Galdeano | Zoél | 1900 | Paris | History and Math Education |
| Furedi | Zoltan | 1994 | Zurich | Combinatorics |
| Szabó | Zoltán | 2006 | Madrid | Topology |
| Xu | Zongben | 2010 | Hyderabad | Mathematics in Science and Technology |
| Shen | Zuowei | 2010 | Hyderabad | Numerical Analysis and Scientific Computing |
| Janko | Zvonimir | 1970 | Nice | Algebra |
| Ore | Øystein | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Ore | Øystein | 1928 | Bologna | Analysis |
| Ore | Øystein | 1932 | Zurich | Algebra and Number Theory |
| Ore | Øystein | 1936 | Oslo | Plenary |