| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Morrison | David R. | 1994 | Zurich | Mathematical Physics |
| Morris | Robert | 2018 | Rio de Janeiro | Combinatorics |
| Morrey | Charles B. | 1970 | Nice | Analysis |
| Morley | F. | 1912 | Cambridge | Geometry |
| Morley | F. | 1924 | Toronto | Geometry |
| Morley | Frank | 1936 | Oslo | Geometry and Topology |
| Moritz | Robert E. | 1936 | Oslo | Geometry and Topology |
| Morita | Shigeyuki | 1990 | Kyoto | Topology |
| Mori | Masatake | 1990 | Kyoto | Computational Methods |
| Mori | Shigefumi | 1983 | Warszawa | Algebraic Geometry |
| Mori | Shigefumi | 1990 | Kyoto | Plenary/Prize winner |
| Morgan | J. W. | 1986 | Berkeley | Topology |
| Morel | Fabien | 2006 | Madrid | Topology |
| Morel | Jean-Michel | 2014 | Seoul | Mathematics in Science and Technology |
| Morel | Sophie | 2010 | Hyderabad | Number Theory |
| Moreira | Carlos Gustavo | 2014 | Seoul | Dynamical Systems and Ordinary Differential Equations |
| Moreira | Carlos Gustavo | 2018 | Rio de Janeiro | Plenary |
| Mordell | L. J. | 1928 | Bologna | Analysis |
| Mordell | L. J. | 1932 | Zurich | Algebra and Number Theory |
| Mordell | L. J. | 1936 | Oslo | Algebra and Number Theory |
| Mordell | L. J. | 1936 | Oslo | Plenary |
| Morawetz | Cathleen S. | 1998 | Berlin | ICM Emmy Noether Lecture |
| Moran | P. A. P. | 1974 | Vancouver | Applied Statistics, Mathematics in the Social & Biological Sciences |
| Moore | Charles N. | 1932 | Zurich | Analysis |
| Moore | E.H. | 1908 | Rome | Arithmetic, Algebra, Analysis |