| Last Name Sort descending | First Name | Year | City | Section/Speaker Type | 
|---|---|---|---|---|
| Lembourg | Ch. | 1908 | Rome | Various Applications of Mathematics | 
| Lempert | L. | 1986 | Berkeley | Complex Analysis | 
| Lennertz | J. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics | 
| Lense | Josef | 1932 | Zurich | Analysis | 
| Lenstra | H. W. | 1986 | Berkeley | Plenary | 
| Leontiev | A. F. | 1974 | Vancouver | Complex Analysis | 
| Lepage | Th. | 1936 | Oslo | Analysis | 
| Lepowsky | J. | 1978 | Helsinki | Lie Groups | 
| Lepski | Oleg | 2022 | Virtual | Statistics and Data Analysis | 
| Leray | J. | 1962 | Stockholm | Analysis | 
| Lerner | Nicolas | 2002 | Beijing | Real & Complex Analysis | 
| Lesaffre | L.C. | 1924 | Toronto | Engineering | 
| Letichevsky | A. A. | 1983 | Warszawa | Computer & information sciences | 
| Leung | Frederick | 2002 | Beijing | Mathematics Education & Popularization of Mathematics | 
| Leuschner | A.O. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy | 
| LeVeque | Randall J. | 2006 | Madrid | Numerical Analysis and Scientific Computing | 
| Levermore | David | 2006 | Madrid | Applications of Mathematics in the Sciences | 
| Levi | Beppo | 1908 | Rome | Arithmetic, Algebra, Analysis | 
| Levi-Civita | T. | 1904 | Heidelberg | Applied Mathematics | 
| Levi-Civita | T. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy | 
| Levi-Civita | T. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics | 
| Levin | Leonid | 1994 | Zurich | Mathematical Aspects of Computer Science | 
| Levina | Elizaveta | 2018 | Rio de Janeiro | Probability and Statistics | 
| Levine | J. P. | 1970 | Nice | Geometry & Topology | 
| Levine | Marc | 2002 | Beijing | Algebra |