| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Bitsadze | A. V. | 1970 | Nice | Analysis |
| Bismut | J. -M. | 1986 | Berkeley | Geometry |
| Bismut | Jean-Michel | 1998 | Berlin | Plenary |
| Bishop | Christopher | 2018 | Rio de Janeiro | Analysis and Operator Algebras |
| Bishop | E. A. | 1966 | Moskva | Classical analysis |
| Bisch | Dietmar | 2002 | Beijing | Operator Algebras & Functional Analysis |
| Birman | Michail | 1974 | Vancouver | Invited (lecture was not given) |
| Birkhoff | G. | 1950 | Cambridge (USA) | Groups and Universal Algebra |
| Birkhoff | G. D. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Birkhoff | G. D. | 1928 | Bologna | Plenary |
| Birkhoff | G. D. | 1936 | Oslo | Plenary |
| Birkhoff | Garrett | 1936 | Oslo | Algebra and Number Theory |
| Birkhoff | Garrett | 1936 | Oslo | Analysis |
| Birkhoff | Garrett | 1936 | Oslo | Geometry and Topology |
| Birkeland | R. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Birkar | Caucher | 2018 | Rio de Janeiro | Plenary/Prize winner |
| Birch | B. J. | 1966 | Moskva | 1/2 hr. report |
| Biran | Paul | 2002 | Beijing | Differential Geometry |
| Biquard | Olivier | 2014 | Seoul | Geometry |
| Binyamini | Gal | 2022 | Virtual | Logic |
| Bing | R. H. | 1950 | Cambridge (USA) | |
| Bing | R. H. | 1962 | Stockholm | Topology & Differential Geometry |
| Billera | Louis J. | 2010 | Hyderabad | Combinatorics |
| Bilimovitch | A. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Bilimovitch | Antoine | 1932 | Zurich | Mechanics and Mathematical Physics |