| Capurro, Soledad | Soledad Capurro | Costume Designer, Designer | 1989 | 2 | |
| Carlberg, Marianne | Marianne Carlberg | Costume Designer, Designer | 1971 | 47 | |
| Casson, Bronwen | Bronwen Casson | Costume Designer, Designer | 1982 | 2 | |
| Christie, Bunny | Bunny Christie | Costume Designer, Designer | 1994 – 2018 | 9 | |
| Claesson, Gosta | Gosta Claesson | Costume Designer, Designer | 1986 | 4 | |
| Clancy, Deirdre | Deirdre Clancy | Costume Designer, Designer | 1970 – 2003 | 13 | |
| Cnops, Marc | Marc Cnops | Costume Designer, Designer | 1982 – 2001 | 24 | |
| Calin, Angela Balogh | Angela Balogh Calin | Costume Designer, Designer | 1995 – 2009 | 4 | |
| Cenean, Ştefania | Ştefania Cenean | Costume Designer, Designer | 1997 | 5 | |
| Charatsidis, Savvas | Savvas Charatsidis | Costume Designer, Designer | 1978 – 1979 | 8 | |
| Conklin , John | John M. Conklin | Costume Designer, Designer | 1966 – 2001 | 14 | |
| Cakić, Predrag | Predrag Cakić | Costume Designer, Designer | 1956 | 6 | |
| Christiansen, Rolf | Rolf Christiansen | Costume Designer, Designer | 1947 – 1948 | 5 | |
| Cruz, José, G. | José G. Cruz | Costume Designer, Designer | 1945 | 2 | |
| Ciobanu, Cristina | Cristina Ciobanu | Costume Designer, Designer | 2003 – 2015 | 7 | |
| Corneliussen, Jesper | Jesper Corneliussen | Costume Designer, Designer | 2002 – 2006 | 5 | |
| Clason, Charlotte | Charlotte Clason | Costume Designer, Designer | 1984 | 2 | |
| Cpin, Marek | Marek Cpin | Costume Designer, Designer | 2008 – 2018 | 23 | |
| Cavallini, C. | C. Cavallini | Costume Designer, Designer | 1986 – 1987 | 2 | |
| Cabral, Biange | Biange Cabral | Costume Designer, Designer | 1985 | 2 | |
| Chamier , Frank | Frank Chamier | Costume Designer, Designer | 1987 – 2006 | 2 | |
| Clausnitzer, Wolfgang | Wolfgang Clausnitzer | Costume Designer, Designer | 1992 | 3 | |
| Christensen, Palle Steen | Palle Steen Christensen | Costume Designer, Designer | 2014 – 2015 | 4 | |
| Chiment, Marie Anne | Marie Anne Chiment | Costume Designer, Designer | 1994 – 2009 | 2 | |
| Clarkson, Phillip | Phillip Clarkson | Costume Designer, Designer | 1989 – 1996 | 2 | |
| Calvaresi, Claudia | Claudia Calvaresi | Costume Designer, Designer | 2004 – 2005 | 24 | |
| Cloffe, - | - Cloffe | Costume Designer, Designer | 1966 | 2 | |
| Chiappara, Monica | Monica Chiappara | Costume Designer, Designer | 2001 | 4 | |
| Colman, Hugh | Hugh Colman | Costume Designer, Designer | 1975 – 1978 | 4 | |
| Chevalier, Thomas | Thomas Chevalier | Costume Designer, Designer | 2008 – 2009 | 4 | |
| Cherés, Karina | Karina Cherés | Costume Designer, Designer | 2010 | 2 | |
| Costa, Valeria | Valeria Costa | Costume Designer, Designer | 1963 | 2 | |
| Chrysanthopoulos, Aristidis | Aristidis Chrysanthopoulos | Costume Designer, Designer | 2014 | 2 | |
| Crețulescu, Victor | Victor Crețulescu | Costume Designer, Designer | 1979 | 4 | |
| Corciova, Radu | Radu Corciova | Costume Designer, Designer | 1974 | 2 | |
| Chambon, Alain | Alain Chambon | Costume Designer, Designer | 1999 | 22 | |
| Campbell, Jean | Jean Campbell | Costume Designer, Designer | 1935 | 2 | |
| Conen, Johannes | Johannes Conen | Costume Designer, Designer | 1999 | 2 | |
| Cuervo, José | José Cuervo | Costume Designer, Designer | 1981 | 2 | |
| Capone, Clifford | Clifford Capone | Costume Designer | 1975 – 1976 | 1 | |
| Cehovin, Adria | Adria Cehovin | Costume Designer | 2003 | 1 | |
| Chiavero, Graziella, | Graziella Chiavero | Costume Designer | 1996 | 2 | |
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