| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| de la Llave | Rafael | 2006 | Madrid | Ordinary Differential Equations and Dynamical Systems |
| de la Salle | Mikael | 2022 | Virtual | Analysis, Lie Theory and Generalizations |
| de la Vallée Poussin | Ch. | 1897 | Zurich | Arithmetic and Algebra |
| de Lange | Jan | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| De Lellis | Camillo | 2010 | Hyderabad | Partial Differential Equations |
| De Lellis | Camillo | 2022 | Virtual | Plenary Lecture |
| De Melo | W. | 1998 | Berlin | Ordinary Differential Equations & Dynamical Systems |
| De Philippis | Guido | 2018 | Rio de Janeiro | Analysis and Operator Algebras, Partial Differential Equations |
| De Rham | G. | 1932 | Zurich | Geometry |
| de Shalit | Ehud | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| Deaux | R. | 1928 | Bologna | Geometry |
| Debreu | Gerard | 1974 | Vancouver | Plenary |
| Degond | Pierre | 2018 | Rio de Janeiro | Mathematics in Science and Technology |
| Deift | Percy | 1998 | Berlin | Numerical Analysis & Scientific Computing |
| Deift | Percy | 2006 | Madrid | Plenary |
| Del Chiaro | Adolfo | 1932 | Zurich | Analysis |
| del Pino | Manuel | 2010 | Hyderabad | Partial Differential Equations |
| Del Pulgar | J. P. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Del Vecchio | G. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Delaporte | P. | 1920 | Strasbourg | Philosophy, History, and Didactics |
| Delarue | Francois | 2022 | Virtual | Partial Differential Equations, Probability |
| Delaunay | B. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Delaunay | B. | 1924 | Toronto | Geometry |
| Delaunay | B. | 1928 | Bologna | Analysis |
| Delaunay | B. N. | 1928 | Bologna | Geometry |