| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Ball | J. M. | 1983 | Warszawa | Mathematical physics & mechanics |
| Ballmann | W. | 1986 | Berkeley | Geometry |
| Balmer | Paul | 2010 | Hyderabad | Algebra |
| Balogh | József | 2018 | Rio de Janeiro | Combinatorics |
| Banach | S. | 1928 | Bologna | Analysis |
| Banach | S. | 1936 | Oslo | Plenary |
| Banchoff | T. F. | 1978 | Helsinki | History & Education |
| Bang | T. | 1950 | Cambridge (USA) | |
| Bangert | Victor A. | 1994 | Zurich | Geometry |
| Bao | Weizhu | 2014 | Seoul | Mathematics in Science and Technology |
| Baouendi | M. S. | 1974 | Vancouver | Partial Differential Equations |
| Barak | Boaz | 2014 | Seoul | Mathematical Aspects of Computer Science |
| Barany | I. | 2002 | Beijing | Combinatorics |
| Barbarin | P. | 1928 | Bologna | Geometry |
| Barbasch | Dan | 1990 | Kyoto | Lie Groups & Representation |
| Barbilian | D. | 1936 | Oslo | Geometry and Topology |
| Barkley Rosser | J. | 1954 | Amsterdam | Logic & Foundations |
| Barlow | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy | |
| Barlow | Martin T. | 1990 | Kyoto | Probability & Mathematical Statistics |
| Barnett | I. A. | 1936 | Oslo | Analysis |
| Barr | Michael | 1970 | Nice | Algebra |
| Barrau | J.-A. | 1920 | Strasbourg | Mechanics, Physical Mathematics, Astronomy |
| Barrau | J.A. | 1924 | Toronto | Geometry |
| Barré | E. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Barrillon | E. G. | 1928 | Bologna | Engineering and Industrial Applications |