| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Jenkins | J. A. | 1962 | Stockholm | Analysis |
| Jenkin | C.F. | 1924 | Toronto | Engineering |
| Jelitai | J. | 1936 | Oslo | Logic, Philosophy, and History |
| Jegelka | Stefanie | 2022 | Virtual | Statistics and Data Analysis |
| Jarník | V. | 1932 | Zurich | Algebra and Number Theory |
| Jarník | Vojtěch | 1936 | Oslo | Algebra and Number Theory |
| Jardetzky | Wenceslas | 1932 | Zurich | Analysis |
| Januszkiewicz | Tadeusz | 2010 | Hyderabad | Geometry |
| Jantzen | J. C. | 1983 | Warszawa | Algebra |
| Jannsen | Uwe | 1994 | Zurich | Algebraic Geometry |
| Janko | Zvonimir | 1970 | Nice | Algebra |
| Janiszewski | Z. | 1912 | Cambridge | Geometry |
| Janet | M. | 1924 | Toronto | Geometry |
| Janet | Maurice | 1932 | Zurich | Analysis |
| Janet | Maurice | 1936 | Oslo | Analysis |
| Janczewski | S. A. | 1928 | Bologna | Analysis |
| Jamet | V. | 1900 | Paris | Geometry |
| James | Richard | 2018 | Rio de Janeiro | Mathematics in Science and Technology |
| Jakobson | M. V. | 1986 | Berkeley | Ordinary Differential Equations and Dynamic Systems |
| Jahnke | E. | 1900 | Paris | Analysis |
| Jahnke | Hans Niels | 2002 | Beijing | Mathematics Education & Popularization of Mathematics |
| Jaffe | A. | 1978 | Helsinki | Mathematical Physics & Mechanics |
| Jacquet | Herve | 1974 | Vancouver | Algebraic Groups & Discrete Subgroups |
| Jacobson | N. | 1954 | Amsterdam | Algebra & Theory of Numbers |
| Jacobsohn | S.J. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |