| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Kakeya | S. | 1928 | Bologna | Analysis |
| Kakutani | S. | 1950 | Cambridge (USA) | Plenary |
| Kalai | Gil | 2018 | Rio de Janeiro | Plenary |
| Kalai | Gilles | 1994 | Zurich | Combinatorics |
| Kalai | Yael | 2018 | Rio de Janeiro | Mathematical Aspects of Computer Science |
| Kaledin | Dmitry | 2010 | Hyderabad | Algebraic Geometry |
| Kaletha | Tasho | 2022 | Virtual | Lie Theory and Generalizations, Number Theory |
| Kalmár | László | 1932 | Zurich | Philosophy and History |
| Kaloshin | Vadim | 2006 | Madrid | Ordinary Differential Equations and Dynamical Systems |
| Kamnitzer | Joel | 2022 | Virtual | Lie Theory and Generalizations |
| Kampé de Fériet | J. | 1928 | Bologna | Analysis |
| Kampé de Fériet | J. | 1932 | Zurich | Mechanics and Mathematical Physics |
| Kampé de Fériet | J. | 1954 | Amsterdam | Mathematical Physics & Applied Mathematics |
| Kang | Feng | 1983 | Warszawa | Numerical methods |
| Kang | Hyeonbae | 2022 | Virtual | Stochastic and Differential Modelling |
| Kang | Seok-Jin | 2014 | Seoul | Algebra |
| Kannan | R. | 2002 | Beijing | Mathematical Aspects of Computer Science |
| Kantor | William | 1998 | Berlin | Algebra |
| Kapouleas | Nikolaos | 1994 | Zurich | Geometry |
| Kapovich | Michael | 2006 | Madrid | Geometry |
| Kapranov | M. | 1998 | Berlin | Algebraic Geometry |
| Kapteyn | W. | 1924 | Toronto | Algebra, Theory of Numbers, Analysis |
| Kapustin | Anton | 2010 | Hyderabad | Mathematical Physics |
| Karacuba | A. A. | 1974 | Vancouver | Number Theory |
| Karamata | J. | 1932 | Zurich | Analysis |