| Last Name Sort ascending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Chelkak | Dmitry | 2018 | Rio de Janeiro | Analysis and Operator Algebras, Probability and Statistics |
| Chekanov | Yu. V. | 2002 | Beijing | Topology |
| Cheeger | Jeff | 1974 | Vancouver | Differential Geometry & Analysis on Manifolds |
| Cheeger | Jeff | 1986 | Berkeley | Geometry |
| Chazy | J. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Chazy | Jean | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Chayes | J. T. | 1998 | Berlin | Mathematical Physics |
| Chayes | Jennifer Tour | 2022 | Virtual | Special Sectional Lecture |
| Chaurand de Saint Eustache de | E. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Chaudhuri | Probal | 2010 | Hyderabad | Probability and Statistics |
| Chatzidakis | Zoé | 2014 | Seoul | Logic and Foundations |
| Chatterjee | Sourav | 2014 | Seoul | Probability and Statistics |
| Chatelier | H. le | 1912 | Cambridge | Didactics |
| Châtelet | A. | 1920 | Strasbourg | Arithmetic, Algebra, Analysis |
| Charpentier | Marie | 1932 | Zurich | Geometry |
| Charbonnier | P. | 1924 | Toronto | Engineering |
| Chapman | S. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Chapman | T. A. | 1974 | Vancouver | Algebraic & Differential Topology |
| Chang | Kung-chiing | 1994 | Zurich | Part. Diff. Equations |
| Chang | Sun-Yung Alice | 1986 | Berkeley | Complex Analysis |
| Chang | Sun-Yung Alice | 2002 | Beijing | Plenary |
| Chang | Sun-Yung Alice | 2018 | Rio de Janeiro | ICM Emmy Noether Lecture |
| Chandrasekharan | K. | 1954 | Amsterdam | Analysis |
| Chamberlin | R.E. | 1950 | Cambridge (USA) | |
| Chaika | Jon | 2022 | Virtual | Dynamics |