| Centro Universitario Villanueva | Centro Universitario Villanueva | Spain, Madrid, Calle de la Costa Brava, 6 | -- | -- | | | |
| Columbia Theatre | Columbia Theatre | United States, Longview, Vandercook Way | -- | -- | | | |
| Câmpulung Moldovenesc | Câmpulung Moldovenesc | Romania, Câmpulung Moldovenesc | -- | -- | | | |
| Canberra | Canberra | Australia, Canberra | -- | -- | | | |
| Câmpia Turzii | Câmpia Turzii | Romania, Câmpia Turzii | -- | -- | | | |
| Coliséum, Théâtre | Théâtre Coliséum | France, Paris, 65 rue de Rochechouart | -- | -- | | | |
| Chorzów | Chorzów | Poland, Chorzów | -- | -- | | | |
| Chochiku | Chochiku | Japan, Tokyo | -- | -- | | | |
| Caţa | Caţa | Romania, Caţa | -- | -- | | | |
| Czech Republic | Czech Republic | Czech Republic, Czech Republic | -- | -- | | | |
| Coventry | Coventry | England, Coventry | -- | -- | | | |
| Cannes | Cannes | France, Cannes | -- | -- | | | |
| Compagnia Drammatica citta di Roma | Compagnia Drammatica citta di Roma | Italy, Milan | -- | -- | | | |
| Câmpina | Câmpina | Romania, Câmpina | -- | -- | | | |
| Corabia | Corabia | Romania, Corabia | -- | -- | | | |
| Cordoba | Cordoba | Argentina, Cordoba | -- | -- | | | |
| Cerghid | Cerghid | Romania, Cerghid | -- | -- | | | |
| Chieti | Chieti | Italy, Chieti | -- | -- | | | |
| Comédie Nation | Comédie Nation | France, Paris, 77 Rue de Montreuil | -- | -- | | | |
| Centralnoe televidenie | Centralnoe televidenie (Soviet Central Television) | Russia, Moscow | -- | -- | | | |
| Centro Dramático Nacional (CNE) | Centro Dramático Nacional (CNE) | Spain, Madrid | -- | -- | | | |
| Ciacova | Ciacova | Romania, Ciacova | -- | -- | | | |
| Cloquet | Cloquet | United States, Cloquet | -- | -- | | | |
| Cozia | Cozia | Romania, Cozia | -- | -- | | | |
| Crotone | Crotone | Italy, Crotone | -- | -- | | | |
| China Youth Art Institute | China Youth Art Institute | China, Beijing | -- | -- | | | |
| Coteana | Coteana | Romania, Coteana | -- | -- | | | |
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