| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Bigelow | S. | 2002 | Beijing | Algebra |
| Biezeno | C. B. | 1928 | Bologna | Engineering and Industrial Applications |
| Biernacki | M. | 1932 | Zurich | Analysis |
| Bieberbach | Ludwig | 1932 | Zurich | Plenary |
| Bickel | P. | 2002 | Beijing | Prob & Stats |
| Biane | P. | 2002 | Beijing | Operator Algebras & Functional Analysis |
| Bianchini | Stefano | 2006 | Madrid | Partial Differential Equations |
| Bianchi | L. | 1908 | Rome | Geometry |
| Bhatt | Bhargav | 2022 | Virtual | Plenary Lecture |
| Bhargava | Manjul | 2006 | Madrid | Number Theory |
| Bhargava | Manjul | 2014 | Seoul | Plenary/Prize winner |
| Bezrukavnikov | Roman V. | 2006 | Madrid | Lie Groups and Lie Algebras |
| Bezikowitsch | A. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Beylkin | Gregory | 1998 | Berlin | Numerical Analysis & Scientific Computing |
| Beuzart-Plessis | Raphaël | 2022 | Virtual | Number Theory, Lie Theory and Generalizations |
| Beurling | A. | 1950 | Cambridge (USA) | |
| Beurling | A. | 1950 | Cambridge (USA) | Plenary |
| Betz | W. | 1950 | Cambridge (USA) | |
| Bethuel | Fabrice | 1998 | Berlin | Part. Diff. Equations |
| Beth | E. W. | 1958 | Edinburgh | Logic & Foundations |
| Bestvina | Mladen | 2002 | Beijing | Topology |
| Bestvina | Mladen | 2022 | Virtual | Plenary Lecture |
| Besov | O. V. | 1970 | Nice | Analysis |
| Berwald | L. | 1928 | Bologna | Geometry |
| Berwald | Ludwig | 1932 | Zurich | Algebra and Number Theory |