| Cosma, Flavia | Flavia Cosma | Director | 1967 | 1 | |
| Creiniceanu, Milica | Milica Creiniceanu | Director | 2004 - 2006 | 2 | |
| Chondrogiannis, Stamatis | Stamatis Chondrogiannis | Director | 1973 | 1 | |
| Coşar, Ünsal | Ünsal Coşar (Unsal Cosar) | Director | 2017 | 1 | |
| Cariello, Tom | Tom Cariello | Director | 1978 | 1 | |
| Canar, Salih | Salih Canar | Director | 1960 | 1 | |
| Cunliffe, David | David Cunliffe | Director | 1977 - 1981 | 2 | 1 |
| Carrick, Eoghan | Eoghan Carrick | Director | 2017 | 1 | |
| Coleman, Beau | Beau Coleman | Director | 2017 | 1 | |
| Cohen, Michael, R. | Michael R. Cohen | Director | 2018 | 1 | |
| Cleary, Josh | Josh Cleary | Director | 2018 | 1 | |
| Culp, Stephen | Stephen Culp | Director | 1999 | 1 | |
| Castagno, Paul | Paul Castagno | Director | 2018 | 1 | |
| Chen, Dabei | Dabei Chen | Director | 1923 - 1925 | 2 | |
| Chapuseaux, Manuel | Manuel Chapuseaux | Director | 2018 | 1 | |
| Colyer, Robin | Robin Colyer | Director | 2018 | 18 | |
| Channa, Sharul | Sharul Channa | Director | 2018 | 1 | |
| Clark, Dan | Dan Clark | Director | 2018 | 1 | |
| Coren, Lucy | Lucy Coren | Director | 2016 | 1 | |
| Cohen, Bruce | Bruce Cohen | Director | 2018 | 1 | |
| Crawley, Darryl | Darryl Crawley | Director | 2019 | 1 | |
| Carpenter, Gordon | Gordon Carpenter | Director | 2019 | 1 | |
| Cancelo, Raúl | Raúl Cancelo | Director | 2018 - 2020 | 2 | |
| Chigerovič, Efim | Efim Chigerovič | Director | 1959 | 1 | |
| Curtis, Alexander | Alexander Curtis | Director | 2015 | 1 | |
| Cigankov, Veniamin | Veniamin Cigankov | Director | 1972 | 1 | |
| Cuenca, Manuel | Manuel Cuenca | Director | 2019 - 2020 | 2 | |
| Cillero, Antonio | Antonio Cillero | Director | 1966 | 1 | |
| Cross, Aj | Aj Cross | Director | 2007 | 1 | |
| Clavé, André | André Clavé | Director | 1948 | 1 | |
| Cordoliani, Emmanuelle | Emmanuelle Cordoliani | Director | 2014 | 1 | |
| Cottle, Sophie | Sophie Cottle | Director | 2021 | 1 | |
| Cooper, Shana | Shana Cooper | Director | 2022 | 1 | |
| Cheung, Jun Keung | Jun Keung Cheung | Director | 2016 | 1 | |
| Cosier, E. David | E. David Cosier | Director | 2013 | 1 | |
| Chollat, Ladislas | Ladislas Chollat | Director | 2021 - 2023 | 2 | |
| Cortese, Leonardo | Leonardo Cortese | Director | 1982 | 1 | |
| Cooke, Alan | Alan Cooke | Director | 1972 | 1 | |
| Crichton, Charles | Charles Crichton | Director | 1957 | 1 | |
| Corrigan, William | William Corrigan | Director | 1950 | 1 | |
| Clairand, Angélique | Angélique Clairand (Clairand, Angelique) | Director | 2022 | 2 | |
| Carlin, Sophie | Sophie Carlin | Director | 2022 | 1 | |
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