| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Witten | E. | 2002 | Beijing | Plenary |
| Wittenberg | Olivier | 2022 | Virtual | Algebraic and Complex Geometry |
| Wlodarczyk | Jaroslaw | 2006 | Madrid | Algebraic and Complex Geometry |
| Wodzicki | Mariusz | 1994 | Zurich | Operator Algebras & Functional Analysis |
| Wohlmuth | Barbara | 2018 | Rio de Janeiro | Numerical Analysis and Scientific Computing |
| Wojtkowski | Maciej P. | 2002 | Beijing | Mathematical Physics |
| Wold | Herman | 1936 | Oslo | Probability Calculus, Mathematical Statistics, Insurance Mathematics, and Econometry |
| Wolfe | Philip | 1974 | Vancouver | Numerical Mathematics |
| Wolfenden | H.H. | 1924 | Toronto | Statistics, Actuarial Science, Economics |
| Wolff | J. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Wolff | Julius | 1932 | Zurich | Analysis |
| Wolff | T. H | 1986 | Berkeley | Real and Functional Analysis |
| Wolff | Thomas | 1998 | Berlin | Analysis |
| Wolpert | S. A. | 1986 | Berkeley | Complex Analysis |
| Wood | Melanie Matchett | 2022 | Virtual | Special Sectional Lecture |
| Woodin | H. | 2002 | Beijing | Logic |
| Woodin | Hugh | 2010 | Hyderabad | Plenary |
| Woodin | W. H. | 1986 | Berkeley | Mathematical Logic & Foundations |
| Wooley | T. D. | 2002 | Beijing | Number Theory |
| Wooley | Trevor | 2014 | Seoul | Number Theory |
| Woollard | L. | 1924 | Toronto | Engineering |
| Wormald | Nicholas | 2018 | Rio de Janeiro | Combinatorics |
| Woronowicz | S. | 1983 | Warszawa | Mathematical physics & mechanics |
| Woronowicz | Stanisław L. | 1990 | Kyoto | Mathematical Physics |
| Wraith | G. C. | 1978 | Helsinki | Algebra |