| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Fréchet | Maurice | 1936 | Oslo | Plenary |
| Janet | Maurice | 1932 | Zurich | Analysis |
| Janet | Maurice | 1936 | Oslo | Analysis |
| Potron | Maurice | 1936 | Oslo | Analysis |
| Potron | Maurice | 1936 | Oslo | Probability Calculus, Mathematical Statistics, Insurance Mathematics, and Econometry |
| Sion | Maurice | 1970 | Nice | Analysis |
| Cornalba | Maurizio | 1998 | Berlin | Algebraic Geometry |
| Picone | Mauro | 1932 | Zurich | Analysis |
| Bramson | Maury | 1998 | Berlin | Prob & Stats |
| Deuring | Max | 1932 | Zurich | Algebra and Number Theory |
| Gunzburger | Max | 2006 | Madrid | Numerical Analysis and Scientific Computing |
| Gut | Max | 1932 | Zurich | Algebra and Number Theory |
| Karoubi | Max | 1970 | Nice | Geometry & Topology |
| Koecher | Max | 1970 | Nice | Algebra |
| Simon | Max | 1908 | Rome | Philosophy, History, and Didactics |
| Kontesevich | Maxim | 1994 | Zurich | Plenary |
| Nazarov | Maxim | 2002 | Beijing | Lie Groups |
| Bôcher | Maxime | 1912 | Cambridge | Plenary |
| Wood | Melanie Matchett | 2022 | Virtual | Special Sectional Lecture |
| Chen | Meng | 2018 | Rio de Janeiro | Algebraic and Complex Geometry |
| Nassiri | Meysam | 2018 | Rio de Janeiro | Dynamical Systems and Ordinary Differential Equations |
| Barr | Michael | 1970 | Nice | Algebra |
| Christ | Michael | 1990 | Kyoto | Real & Complex Analysis |
| Christ | Michael | 1998 | Berlin | Analysis |
| Entov | Michael | 2014 | Seoul | Topology |