| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Ahlfors | L.V. | 1978 | Helsinki | Plenary |
| King | L.V. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Young | Lai-Sang | 1994 | Zurich | Ord. Diff. Equations |
| Young | Lai-Sang | 2018 | Rio de Janeiro | Plenary |
| Cesari | Lamberto | 1932 | Zurich | Analysis |
| Guth | Larry | 2010 | Hyderabad | Geometry |
| Guth | Larry | 2022 | Virtual | Plenary Lecture |
| Hesselholt | Lars | 2002 | Beijing | Topology |
| Hörmander | Lars | 1970 | Nice | Plenary |
| Ahlfors | Lars V. | 1936 | Oslo | Plenary/Prize winner |
| Babai | László | 1990 | Kyoto | Mathematical Aspects of Computer Science |
| Babai | László | 1994 | Zurich | Plenary |
| Erdős | László | 2014 | Seoul | Analysis and its Applications, Mathematical Physics, Probability and Statistics |
| Kalmár | László | 1932 | Zurich | Philosophy and History |
| Lovász | László | 1983 | Warszawa | Combinatorics |
| Lovász | László | 1990 | Kyoto | Plenary |
| Székelyhidi | László | 2014 | Seoul | Analysis and its Applications, Partial Differential Equations |
| Babai | László | 2018 | Rio de Janeiro | Combinatorics, Mathematical Aspects of Computer Science |
| DeMarco | Laura | 2018 | Rio de Janeiro | Dynamical Systems and Ordinary Differential Equations |
| Saint-Raymond | Laure | 2014 | Seoul | Partial Differential Equations |
| Saint-Raymond | Laure | 2022 | Virtual | Plenary Lecture |
| Williams | Lauren K. | 2022 | Virtual | Combinatorics, Lie Theory and Generalizations, Mathematical Physics |
| Lafforgue | Laurent | 2002 | Beijing | Plenary/Prize winner |
| Fargues | Laurent | 2018 | Rio de Janeiro | Number Theory, Algebraic and Complex Geometry |
| Saloff-Coste | Laurent | 2022 | Virtual | Probability, Analysis |