| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Zaitsev | A. Yu. | 2002 | Beijing | Prob & Stats |
| Zakharov | V. E. | 1983 | Warszawa | Part. Diff. Equations |
| Zakharov | Vladimir | 1974 | Vancouver | Invited (lecture was not given) |
| Zannier | Umberto | 2014 | Seoul | Number Theory |
| Zarankiewicz | K. | 1936 | Oslo | Geometry and Topology |
| Zaremba | M. S. | 1936 | Oslo | Analysis |
| Zaremba | S. | 1908 | Rome | Arithmetic, Algebra, Analysis |
| Zaremba | S. | 1920 | Strasbourg | Arithmetic, Algebra, Analysis |
| Zaremba | S. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Zaremba | S. | 1932 | Zurich | Mechanics and Mathematical Physics |
| Zariphopoulou | Thaleia | 2014 | Seoul | Mathematics in Science and Technology |
| Zariski | O. | 1928 | Bologna | Geometry |
| Zariski | O. | 1950 | Cambridge (USA) | Algebraic Geometry |
| Zeeman | E. C. | 1966 | Moskva | 1/2 hr. report |
| Zeeman | E. C. | 1974 | Vancouver | Applied Statistics, Mathematics in the Social & Biological Sciences |
| Zehnder | E. | 1986 | Berkeley | Ordinary Differential Equations and Dynamic Systems |
| Zeitouni | O. | 2002 | Beijing | Prob & Stats |
| Zelditch | Steve | 2002 | Beijing | Real & Complex Analysis |
| Zelevinsky | Andrei | 1998 | Berlin | Combinatorics |
| Zelmanov | Efim I. | 1983 | Warszawa | Algebra |
| Zelmanov | Efim I. | 1990 | Kyoto | Algebra |
| Zelmanov | Efim I. | 1994 | Zurich | Plenary/Prize winner |
| Zerbes | Sarah | 2022 | Virtual | Number Theory |
| Zermelo | E. | 1908 | Rome | Arithmetic, Algebra, Analysis |
| Zermelo | E. | 1912 | Cambridge | Philosophy and History |