| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Haken | W. | 1978 | Helsinki | Discrete Math & math Aspects of Computer Science |
| Hajnal | A. | 1974 | Vancouver | General Topology, Real & Functional Analysis |
| Hairer | Martin | 2014 | Seoul | Probability and Statistics/Prize winner |
| Haiman | Mark | 2006 | Madrid | Combinatorics |
| Haigh | B.P. | 1924 | Toronto | Engineering |
| Hahn | H. | 1928 | Bologna | Analysis |
| Hagstroem | K. G. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Hagen | J.G. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Haenzel | G. | 1936 | Oslo | Geometry and Topology |
| Haefliger | A. | 1966 | Moskva | Topology |
| Hadamard | J. | 1897 | Zurich | Analysis and Function Theory |
| Hadamard | J. | 1900 | Paris | Mechanics |
| Hadamard | J. | 1904 | Heidelberg | Analysis |
| Hadamard | J. | 1904 | Heidelberg | Applied Mathematics |
| Hadamard | J. | 1908 | Rome | Arithmetic, Algebra, Analysis |
| Hadamard | J. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Hadamard | J. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Hadamard | J. | 1932 | Zurich | Analysis |
| Hadamard | J. | 1950 | Cambridge (USA) | |
| Hadamard | Jacques | 1920 | Strasbourg | Arithmetic, Algebra, Analysis |
| Hadamard | Jacques | 1920 | Strasbourg | Mechanics, Physical Mathematics, Astronomy |
| Hadamard | Jacques | 1928 | Bologna | Plenary |
| Hacon | Christopher | 2010 | Hyderabad | Algebraic Geometry |
| Hacking | Paul | 2018 | Rio de Janeiro | Algebraic and Complex Geometry |
| Hackbusch | Wolfgang | 1998 | Berlin | Plenary |