| Last Name | First Name | Year | City | Section/Speaker Type Sort descending |
|---|---|---|---|---|
| Cummings | Louise | 1932 | Zurich | Geometry |
| De Franchis | M. | 1908 | Rome | Geometry |
| De Kerékjártó | B. | 1928 | Bologna | Geometry |
| De Rham | G. | 1932 | Zurich | Geometry |
| Deaux | R. | 1928 | Bologna | Geometry |
| Delaunay | B. | 1924 | Toronto | Geometry |
| Delaunay | B. N. | 1928 | Bologna | Geometry |
| Delaunay | N. | 1924 | Toronto | Geometry |
| Delens | P. C. | 1928 | Bologna | Geometry |
| Delens | Paul | 1932 | Zurich | Geometry |
| Demoulin | A. | 1924 | Toronto | Geometry |
| Dingeldey | F. | 1908 | Rome | Geometry |
| Do Carmo | M. P. | 1978 | Helsinki | Geometry |
| Drach | J. | 1912 | Cambridge | Geometry |
| Drach | Jules | 1920 | Strasbourg | Geometry |
| Dumas | G. | 1928 | Bologna | Geometry |
| Eiesland | J. | 1924 | Toronto | Geometry |
| Eisenhardt | L.-P. | 1920 | Strasbourg | Geometry |
| Eisenhart | L.P. | 1912 | Cambridge | Geometry |
| Eliashberg | Ya. M. | 1986 | Berkeley | Geometry |
| Emch | A. | 1928 | Bologna | Geometry |
| Errera | A. | 1924 | Toronto | Geometry |
| Errera | A. | 1932 | Zurich | Geometry |
| Esson | W. | 1912 | Cambridge | Geometry |
| Fang | Fuquan | 2014 | Seoul | Geometry |