| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Lascoux | Alain | 1998 | Berlin | Combinatorics |
| Louveau | Alain | 1994 | Zurich | Logic |
| Sznitman | Alain-Sol | 1998 | Berlin | Prob & Stats |
| Ferrier | Alan | 1924 | Toronto | Engineering |
| Frieze | Alan | 2014 | Seoul | Plenary |
| Siegel | Alan | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| Reid | Alan | 2018 | Rio de Janeiro | Topology |
| Hoffman | Alan J. | 1974 | Vancouver | Discrete Mathematics & Theory of Computation |
| Cohen | Albert | 2002 | Beijing | Numerical Analysis & Scientific Computing |
| Fathi | Albert | 2014 | Seoul | Dynamical Systems and Ordinary Differential Equations |
| Schwarz | Albert | 1990 | Kyoto | Mathematical Physics |
| Meyer | Albert R. | 1974 | Vancouver | Discrete Mathematics & Theory of Computation |
| Whitney | Albert W. | 1924 | Toronto | Statistics, Actuarial Science, Economics |
| Bressan | Alberto | 2002 | Beijing | Plenary |
| Cattaneo | Alberto S. | 2006 | Madrid | Mathematical Physics |
| Madry | Aleksander | 2018 | Rio de Janeiro | Mathematical Aspects of Computer Science |
| Pukhlikov | Aleksandr V. | 1998 | Berlin | Algebra |
| Padoa | Alessandro | 1900 | Paris | Number Theory and Algebra |
| Giuliani | Alessandro | 2022 | Virtual | Mathematical Physics |
| Figalli | Alessio | 2014 | Seoul | Analysis and its Applications |
| Figalli | Alessio | 2018 | Rio de Janeiro | Plenary/Prize winner |
| Eskin | Alex | 1998 | Berlin | Lie Groups |
| Eskin | Alex | 2010 | Hyderabad | Lie Theory and Generalisations |
| Barvinok | Alexander | 2006 | Madrid | Combinatorics |
| Furman | Alexander | 2014 | Seoul | Lie Theory and Generalizations, Dynamical Systems and Ordinary Differential Equations |