| Last Name Sort descending | First Name | Year | City | Section/Speaker Type | 
|---|---|---|---|---|
| Lugosi | Gabor | 2022 | Virtual | Statistics and Data Analysis | 
| Luiggi | L. | 1908 | Rome | Various Applications of Mathematics | 
| Luk | Jonathan | 2022 | Virtual | Mathematical Physics | 
| Lukács | Eugen | 1936 | Oslo | Probability Calculus, Mathematical Statistics, Insurance Mathematics, and Econometry | 
| Lukasiewicz | J. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic | 
| Lurie | Jacob | 2010 | Hyderabad | Topology | 
| Lusin | Nicolas | 1928 | Bologna | Plenary | 
| Luskin | Mitchell | 2002 | Beijing | Numerical Analysis & Scientific Computing | 
| Lusternik | L. | 1928 | Bologna | Geometry | 
| Lusztig | George | 1974 | Vancouver | Algebraic Groups & Discrete Subgroups | 
| Lusztig | George | 1983 | Warszawa | Lie groups & representations | 
| Lusztig | George | 1990 | Kyoto | Plenary | 
| Lützen | Jesper | 1990 | Kyoto | History, Teaching & Nature of Mathmatics | 
| Lyons | Russell | 2014 | Seoul | Probability and Statistics | 
| Lyons | Terry | 2014 | Seoul | Probability and Statistics | 
| Lyubich | Mikhail | 1994 | Zurich | Ord. Diff. Equations | 
| Lyubich | Mikhail | 2014 | Seoul | Plenary | 
| Ma | Xiaonan | 2010 | Hyderabad | Geometry | 
| Ma | Zhi-Ming | 1994 | Zurich | Prob & Stats | 
| Maasz | H. | 1954 | Amsterdam | Algebra & Theory of Numbers | 
| Mabuchi | Toshiki | 2006 | Madrid | Geometry | 
| Macaulay | F. S. | 1904 | Heidelberg | Geometry | 
| Macdonald | I. G. | 1970 | Nice | Geometry & Topology | 
| Macdonald | I. G. | 1998 | Berlin | Plenary | 
| Macfarlane | A. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |