| Chagas, Walmor | Walmor Chagas | Director | 1965 | 2 | |
| Caselli, Tony | Tony Caselli | Director | 2009 | 1 | |
| Chróinín, Máiréad Ní | Máiréad Ní Chróinín | Director | 2009 | 1 | |
| Conway, Hart | Hart Conway | Director | 1892 | 1 | |
| Cleto, Celso | Celso Cleto | Director | 2009 - 2010 | 10 | |
| Cloos, Hans Peter | Hans Peter Cloos | Director | 2010 | 2 | 1 |
| Chaudhari, Zuleikha | Zuleikha Chaudhari | Director | 2009 | 1 | 1 |
| Cobin, Martin | Martin Cobin | Director | 1965 | 1 | |
| Carlin, Rita | Rita Carlin | Director | 2016 | 1 | |
| Carnwath, Jane | Jane Carnwath | Director | 2010 | 1 | |
| Cirpici, Hüseyin Michael | Hüseyin Michael Cirpici | Director | 2015 | 1 | |
| Crombholz, Cornelia | Cornelia Crombholz | Director | 2013 | 1 | |
| Cabot, Michael | Michael Cabot | Director | 2011 | 50 | |
| Czapski, Dominique | Dominique Czapski | Director | 2012 | 1 | |
| Carlsen, Ian | Ian Carlsen | Director | 2012 | 1 | |
| Ciaravino, Tony | Tony Ciaravino | Director | 2011 | 1 | |
| Croft, Giles | Giles Croft | Director | 2011 | 2 | 1 |
| Costa Giovangigli, Orazio | Orazio Costa Giovangigli | Director | 1943 - 1963 | 5 | |
| Conradi, Kurt | Kurt Conradi | Director | 1963 | 1 | |
| Chaudhuri, Neel | Neel Chaudhuri | Director | 2012 | 1 | |
| Claridge, Brian | Brian Claridge | Director | 1960 | 1 | |
| Coroamă, Sorana | Sorana Coroamă | Director | 1976 | 1 | |
| Calenda, Antonio | Antonio Calenda | Director | 2013 | 27 | |
| Cond, Sandie | Sandie Cond | Director | 2013 | 1 | |
| Cella, Ettore | Ettore Cella | Director | 1957 | 2 | |
| Corrigan, Robert, W. | Robert W. Corrigan | Director | 1956 | 1 | 1 |
| Chisholm, Mary-Colin | Mary-Colin Chisholm | Director | 2013 | 1 | |
| Chase, Vincent | Vincent Chase | Director | 1956 | 1 | |
| Clemen, Harald | Harald Clemen | Director | 1998 | 1 | |
| Caldwell, Lauren | Lauren Caldwell | Director | 2000 | 1 | |
| Connell, Leon | Leon Connell | Director | 1934 | 1 | |
| Caruso, Thomas | Thomas Caruso | Director | 1999 | 1 | 1 |
| Chapelet, Olivier | Olivier Chapelet | Director | 1999 - 2000 | 5 | |
| Coe, Peter | Peter Coe | Director | 1970 | 2 | 1 |
| Carinha, Victor | Victor Carinha | Director | 2016 | 1 | |
| Cathie, Dermot | Dermot Cathie | Director | 1942 | 1 | |
| Cloetingh, A., C. | A. C. Cloetingh | Director | 1942 | 1 | |
| Capon, Eric | Eric Capon | Director | 1945 | 1 | |
| Carlson, John | John Carlson | Director | 1946 | 1 | |
| Crouch, J., H. | J. H. Crouch | Director | 1947 | 1 | |
| Cameron, Enid | Enid Cameron | Director | 1947 | 1 | |
| Christie, Alfred | Alfred Christie | Director | 2000 | 1 | 1 |
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