| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Rietz | H.L. | 1924 | Toronto | Statistics, Actuarial Science, Economics |
| Vanderlinden | H.L. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Dadourian | H.M. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Hudson | H.P. | 1912 | Cambridge | Geometry |
| Castro Bonel | H.S. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Vandiver | H.S. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Alexander | H.W. | 1950 | Cambridge (USA) | Geometry and Topology |
| Brezis | Haim | 1974 | Vancouver | Partial Differential Equations |
| Bahouri | Hajer | 2002 | Beijing | Part. Diff. Equations |
| Husny | Hamid | 1928 | Bologna | Philosophy, History of Mathematics |
| Qi | Han | 2014 | Seoul | History of Mathematics |
| Follmer | Hans | 1994 | Zurich | Prob & Stats |
| Freudenthal | Hans | 1936 | Oslo | Geometry and Topology |
| Hornich | Hans | 1932 | Zurich | Analysis |
| Lindblad | Hans | 1998 | Berlin | Part. Diff. Equations |
| Petersson | Hans | 1932 | Zurich | Analysis |
| Przibram | Hans | 1936 | Oslo | Pedagogy |
| Ringström | Hans | 2014 | Seoul | Geometry |
| Stetter | Hans J. | 1974 | Vancouver | Numerical Mathematics |
| Jahnke | Hans Niels | 2002 | Beijing | Mathematics Education & Popularization of Mathematics |
| Schlickewei | Hans Peter | 1998 | Berlin | Number Theory |
| Steiner | Hans-Georg | 1998 | Berlin | Teaching & Popularization of Mathematics |
| Bergström | Harald | 1936 | Oslo | Algebra and Number Theory |
| Bohr | Harald | 1932 | Zurich | Plenary |
| Cramér | Harald | 1936 | Oslo | Probability Calculus, Mathematical Statistics, Insurance Mathematics, and Econometry |