| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Delaunay | N. | 1904 | Heidelberg | Applied Mathematics |
| Delaunay | N. | 1924 | Toronto | Geometry |
| Delbaen | Freddy | 2010 | Hyderabad | Mathematics in Science and Technology |
| Delens | P. C. | 1928 | Bologna | Geometry |
| Delens | Paul | 1932 | Zurich | Geometry |
| Deligne | Pierre | 1970 | Nice | Algebra |
| Deligne | Pierre | 1974 | Vancouver | Plenary |
| Delitala | G. | 1908 | Rome | Philosophy, History, and Didactics |
| Dell'Agnola | C. A. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Dellacherie | C. | 1978 | Helsinki | Prob & Stats |
| Delorme | P. | 2002 | Beijing | Lie Groups |
| Delort | Jean-Marc | 2018 | Rio de Janeiro | Partial Differential Equations |
| Delsarte | M. J. | 1932 | Zurich | Analysis |
| Demailly | Jean-Pierre | 1994 | Zurich | Real & Complex Analysis |
| Demailly | Jean-Pierre | 2006 | Madrid | Plenary |
| DeMarco | Laura | 2018 | Rio de Janeiro | Dynamical Systems and Ordinary Differential Equations |
| Dembo | Amir | 2006 | Madrid | Probability and Statistics |
| Demers | Mark | 2022 | Virtual | Dynamics |
| Demeter | Ciprian | 2018 | Rio de Janeiro | Analysis and Operator Algebras |
| Demmel | J. | 2002 | Beijing | Numerical Analysis & Scientific Computing |
| Demoulin | A. | 1924 | Toronto | Geometry |
| Demtchenko | B. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Demtchenko | Basile | 1932 | Zurich | Analysis |
| Demyanov | V. F. | 1974 | Vancouver | Control Theory & Related Optimization Problems |
| den Hollander | Frank | 2010 | Hyderabad | Probability and Statistics |