| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Cartan | E. | 1920 | Strasbourg | Geometry |
| Cartan | É. | 1924 | Toronto | Mechanics, Physics, Astronomy, Geophysics |
| Cartan | E. | 1928 | Bologna | Geometry |
| Cartan | Élie | 1924 | Toronto | Plenary |
| Cartan | Élie | 1932 | Zurich | Analysis |
| Cartan | Elie | 1932 | Zurich | Plenary |
| Cartan | Elie | 1936 | Oslo | Plenary |
| Cartan | H. | 1950 | Cambridge (USA) | Plenary |
| Cartan | H. | 1958 | Edinburgh | Plenary |
| Cartan | Henri | 1932 | Zurich | Analysis |
| Cartier | P. | 1970 | Nice | Geometry & Topology |
| Cartis | Coralia | 2022 | Virtual | Control Theory and Optimization |
| Cartwright | M. L. | 1936 | Oslo | Analysis |
| Cartwright | M. L. | 1950 | Cambridge (USA) | |
| Cartwright | M. L. | 1954 | Amsterdam | Analysis |
| Cartwright | Mary L. | 1932 | Zurich | Analysis |
| Casazza | G. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Casazza | G. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic |
| Casazza | G. | 1932 | Zurich | Mechanics and Mathematical Physics |
| Caselles | Vicent | 2006 | Madrid | Applications of Mathematics in the Sciences |
| Casselman | W. | 1978 | Helsinki | Lie Groups |
| Cassels | J. W. S. | 1962 | Stockholm | Algebra & Theory of Numbers |
| Cassels | J. W. S. | 1970 | Nice | Algebra |
| Cassina | U. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic |
| Cassina | U. | 1928 | Bologna | Philosophy, History of Mathematics |