| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Bjerknes | V. | 1936 | Oslo | Plenary |
| Björner | Anders | 1986 | Berkeley | Discrete Mathematics & Combinatorics |
| Blackwell | D. | 1954 | Amsterdam | Probability & Statistics |
| Blaquier | J. | 1928 | Bologna | Analysis |
| Blaschke | W. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Blaschke | W. | 1928 | Bologna | Geometry |
| Blaschke | Wilhelm | 1936 | Oslo | Geometry and Topology |
| Bliss | G.A. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Bloch | Spencer | 1978 | Helsinki | Algebraic Geometry |
| Bloch | Spencer | 1990 | Kyoto | Plenary |
| Blokhuis | Aart | 2002 | Beijing | Combinatorics |
| Blondel | A. | 1928 | Bologna | Philosophy, History of Mathematics |
| Blum | Lenore | 1990 | Kyoto | Mathematical Aspects of Computer Science |
| Blum | M. | 1986 | Berkeley | Mathematical Aspects of Computer Science |
| Blumberg | H.H. | 1912 | Cambridge | Philosophy and History |
| Blumenthal | O. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Boberil | Vicomte Roger du | 1912 | Cambridge | Philosophy and History |
| Boccardi | J. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Boccardi | Jean | 1900 | Paris | Mechanics |
| Boccardi | Jean | 1920 | Strasbourg | Mechanics, Physical Mathematics, Astronomy |
| Bôcher | Maxime | 1912 | Cambridge | Plenary |
| Bochi | Jairo | 2018 | Rio de Janeiro | Dynamical Systems and Ordinary Differential Equations |
| Bochner | S. | 1950 | Cambridge (USA) | |
| Bochner | S. | 1950 | Cambridge (USA) | Plenary |
| Bodineau | Thierry | 2022 | Virtual | Mathematical Physics |