| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Khachiyan | L. G. | 1983 | Warszawa | Combinatorics |
| Keyser | C.J. | 1924 | Toronto | History, Philosophy, Didactics |
| Keum | JongHae | 2018 | Rio de Janeiro | Algebraic and Complex Geometry |
| Kesten | H. | 1983 | Warszawa | Prob & math. stats. |
| Kesten | Harry | 1970 | Nice | Analysis |
| Kesten | Harry | 2002 | Beijing | Plenary |
| Kerz | Moritz | 2018 | Rio de Janeiro | Algebra |
| Kervaire | M. A. | 1962 | Stockholm | Topology & Differential Geometry |
| Kérim | A. | 1928 | Bologna | Analysis |
| Kerékjártó | B. de | 1936 | Oslo | Geometry and Topology |
| Kerckhoff | S. P. | 1983 | Warszawa | Topology |
| Kenyon | Richard | 2018 | Rio de Janeiro | Probability and Statistics, Combinatorics |
| Kennelly | A.E. | 1924 | Toronto | Engineering |
| Kenig | C. E. | 1986 | Berkeley | Real and Functional Analysis |
| Kenig | Carlos | 2010 | Hyderabad | Plenary |
| Kenig | Carlos E. | 2002 | Beijing | Real & Complex Analysis |
| Kenderov | Petar | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| Kempf | G. R. | 1978 | Helsinki | Lie Groups |
| Kempe | A. | 1904 | Heidelberg | Applied Mathematics |
| Kemer | Alexander R. | 1990 | Kyoto | Algebra |
| Keller | Bernard | 2006 | Madrid | Algebra |
| Keller | Joseph B. | 1994 | Zurich | Plenary |
| Keisler | H. Jerome | 1970 | Nice | Plenary |
| Keevash | Peter | 2018 | Rio de Janeiro | Combinatorics |
| Keel | Sean | 2018 | Rio de Janeiro | Algebraic and Complex Geometry |