| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Karamata | J. | 1936 | Oslo | Analysis |
| Karamata | Y. | 1928 | Bologna | Analysis |
| Kàrmàn | Th. V. | 1928 | Bologna | Plenary |
| Kármán | Th. Von | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Karmarkar | N. | 1986 | Berkeley | Discrete Mathematics & Combinatorics |
| Karoubi | Max | 1970 | Nice | Geometry & Topology |
| Karoui | N. El | 2002 | Beijing | Application of Mathematics in the Sciences |
| Karp | R. | 1983 | Warszawa | Computer & information sciences |
| Karpenko | Nikita | 2010 | Hyderabad | Algebra |
| Karpinski | L. C. | 1928 | Bologna | Philosophy, History of Mathematics |
| Karpinski | L.C. | 1924 | Toronto | History, Philosophy, Didactics |
| Karzanov | Alexander V. | 1990 | Kyoto | Computational Methods |
| Kashaev | Rinat | 2018 | Rio de Janeiro | Mathematical Physics |
| Kashiwara | M. | 1978 | Helsinki | Plenary |
| Kashiwara | Masaki | 1990 | Kyoto | Lie Groups & Representation |
| Kashiwara | Masaki | 2018 | Rio de Janeiro | Chern Medal Award Lecture |
| Kasin | B. S. | 1983 | Warszawa | Real & Func. Analy. |
| Kasner | E. | 1912 | Cambridge | Geometry |
| Kasner | E. | 1928 | Bologna | Analysis |
| Kasner | E. | 1928 | Bologna | Geometry |
| Kasner | Edward | 1932 | Zurich | Analysis |
| Kasner | Edward | 1932 | Zurich | Geometry |
| Kasparov | G. G. | 1983 | Warszawa | Real & Func. Analy. |
| Kassabov | Martin | 2014 | Seoul | Algebra, Lie Theory and Generalizations |
| Kassel | Fanny | 2018 | Rio de Janeiro | Topology |