| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Jordan | C. | 1920 | Strasbourg | Geometry |
| Jordan | C. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Jordan | Michael | 2018 | Rio de Janeiro | Plenary |
| Jónsson | Bjarni | 1974 | Vancouver | Algebra |
| Jones | Lowell E. | 1990 | Kyoto | Topology |
| Jones | P. W. | 1983 | Warszawa | Complex Analysis |
| Jones | Peter | 2010 | Hyderabad | Plenary |
| Jones | V. F. R. | 1986 | Berkeley | Real and Functional Analysis |
| Jones | Vaughan F. R. | 1990 | Kyoto | Plenary/Prize winner |
| Johnstone | Iain | 2006 | Madrid | Plenary |
| Johnstone | Iain M. | 1998 | Berlin | Prob & Stats |
| Johnson | William | 2018 | Rio de Janeiro | Analysis and Operator Algebras |
| John | F. | 1966 | Moskva | Applied mathematics & mathematical physics |
| Johansson | Ingebrigt | 1932 | Zurich | Geometry |
| Johansson | K. | 2002 | Beijing | Prob & Stats |
| Jitomirskaya | Svetlana | 2002 | Beijing | Mathematical Physics |
| Jitomirskaya | Svetlana | 2022 | Virtual | Plenary Lecture |
| Jin | Shi | 2018 | Rio de Janeiro | Numerical Analysis and Scientific Computing, Mathematics in Science and Technology |
| Jimbo | Michio | 1990 | Kyoto | Mathematical Physics |
| Jessen | B. | 1954 | Amsterdam | Plenary |
| Jessen | Börge | 1932 | Zurich | Analysis |
| Jerrum | Mark | 1994 | Zurich | Mathematical Aspects of Computer Science |
| Jerrard | Robert | 2014 | Seoul | Partial Differential Equations |
| Jerison | David | 1994 | Zurich | Part. Diff. Equations |
| Jensen | Robert R. | 1998 | Berlin | Part. Diff. Equations |