| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Steffensen | J.F. | 1924 | Toronto | Statistics, Actuarial Science, Economics |
| Gray | J.G. | 1924 | Toronto | Engineering |
| Gray | J.G. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Hagen | J.G. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Peek | J.H. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Peek | J.H. | 1912 | Cambridge | Economics, Actuarial Science, Statistics |
| Poincaré | J.H. | 1908 | Rome | Plenary |
| Poynting | J.H. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Ritt | J.H. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Weaver | J.H. | 1924 | Toronto | Geometry |
| Corral | J.I. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Hutchinson | J.I. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Synge | J.L. | 1924 | Toronto | Geometry |
| Carson | J.R. | 1924 | Toronto | Engineering |
| Stafford | J.T. | 2002 | Beijing | Algebra |
| Uspensky | J.V. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Sinai | Ja. G. | 1962 | Stockholm | Probability & Statistics |
| Barzdin | Ja. M. | 1974 | Vancouver | Discrete Mathematics & Theory of Computation |
| Peetre | Jaak | 1970 | Nice | Analysis |
| Silver | Jack | 1974 | Vancouver | Mathematical Logic and the Foundations of Mathematics |
| Thorne | Jack | 2018 | Rio de Janeiro | Number Theory |
| Fox | Jacob | 2014 | Seoul | Combinatorics |
| Lurie | Jacob | 2010 | Hyderabad | Topology |
| Tsimerman | Jacob | 2018 | Rio de Janeiro | Number Theory |
| Bedrossian | Jacob | 2022 | Virtual | Stochastic and Differential Modelling |