| Československý rozhlas Praha | Československý rozhlas Praha | Czech Republic, Prague | 1953-09-28 | 2012-10-06 | 1953–2012 | 3 | |
| Court House Theatre | Court House Theatre | Canada, Niagara-on-the-Lake, 26 Queen Street | 1974-06-27 | 2012-09-29 | 1974–2012 | 5 | |
| Cohoes | Cohoes | United States, Cohoes | 1903-10-03 | 1903-10-03 | 1903 | 1 | |
| CAES Torre Pacheco | CAES Torre Pacheco | Spain, Murcia, Paseo Villa Esperanza 13 | 2010-04-17 | -- | 2010 | 1 | |
| Chicago Norske Klubs Dramatiske Selskap | Chicago Norske Klubs Dramatiske Selskap | United States, Chicago | 1930-11-16 | 1930-11-23 | 1930 | 1 | |
| Comédie Caumartin | Comédie Caumartin | France, Paris, 25 Rue de Caumartin | 1952-12-09 | -- | 1952–1991 | 2 | |
| Collège Leclerc | Collège Leclerc | France, Schiltigheim, 9 avenue du 23 Novembre | 2020-09-18 | -- | 2020 | 1 | |
| Charles S. Brooks Theatre | Charles S. Brooks Theatre | United States, Cleveland | 1936-04-28 | 1962-10-13 | 1936–1962 | 2 | |
| City Stage Theatre | City Stage Theatre | United States, Kansas City, 30 W Pershing Rd | 2019-08-07 | 2019-08-25 | 2019 | 1 | |
| Cultural Center Comfandi | Cultural Center Comfandi | Colombia, Santiago de Cali, Valle del Cauca | 2008-10-25 | -- | 2008 | 1 | |
| Crown Theatre | Crown Theatre | England, Eccles, Church Street | 1910-02-07 | 1910-02-10 | 1910 | 2 | |
| Cultuurcentrum De Borre | Cultuurcentrum De Borre | Belgium, Bierbeek, Speelpleinsstraat 10 | 1999-03-23 | 1999-03-23 | 1999–2007 | 2 | |
| Cerghid | Cerghid | Romania, Cerghid | -- | -- | | | |
| Centro Cultural Matucana 100 | Centro Cultural Matucana 100 | Chile, Santiago, Avenida Matucana 100 | 2007-01-17 | 2007-03-24 | 2007 | 1 | |
| Casa da Gávea | Casa da Gávea | Brazil, Gávea, Praça Santos Dumont, 116 | 1997-05-08 | -- | 1997 | 1 | |
| Croydon Repertory Theatre | Croydon Repertory Theatre | England, Croydon, London | 1932-10-17 | -- | 1932–1936 | 4 | |
| Cripplegate Institute | Cripplegate Institute | England, London, Brackley Street | 1905-11-28 | -- | 1905 | 1 | |
| Centre de recherche pour le développement culturel | CRDC (Centre de recherche pour le développement culturel) | France, Nantes | 2000-01-25 | 2000-01-28 | 2000 | 1 | |
| Concord Main Stage | Concord Main Stage | United States, Concord, 1975 Diamond Blvd | 2012-07-23 | 2012-08-18 | 2012 | 1 | |
| Capital Theatre | Capital Theatre | China, Beijing, 22 Wangfujing St, Dongcheng | 1995-10- | 1995-10- | 1995 | 1 | |
| Collins Auditorium, Fordham University Theatre | Collins Auditorium, Fordham University Theatre | United States, New York, Rose Hill Campus | 1947-02-11 | 1966-02-12 | 1947–1966 | 2 | |
| Chassé Theater | Chassé Theater | Netherlands, Breda, Van Claudius Prinsenlaan 8 | 1998-12-08 | -- | 1998–2017 | 10 | |
| Chancellors College | Chancellors College | Malawi, Zomba, P.O. Box 280 | 2006-04-22 | 2006-04-23 | 2006 | 1 | |
| Centro Cultural Manzana de la Rivera / Sala García Lorca | Centro Cultural Manzana de la Rivera / Sala García Lorca | Paraguay, Asunción, Ayolas 129 c/ Benjamín Constant | 2019-12-17 | 2019-12-18 | 2019–2020 | 2 | |
| Csokonai Színház Irodalmi Kamaraszínház | Csokonai Színház Irodalmi Kamaraszínház | Hungary, Debrecen, Kossuth utca 10 | 1947-03-02 | -- | 1947 | 1 | |
| Cambridge Theatre | Cambridge Theatre | England, London, Earlham St | 1970-06-29 | -- | 1970–1982 | 2 | |
| Champaign | Champaign | United States, Champaign | 1903-12-17 | 1903-12-17 | 1903 | 1 | |
| Como | Como | Italy, Como | 1894-04-07 | -- | 1894 | 1 | |
| Chappelear Drama Center | Chappelear Drama Center | United States, Delaware, 45 Rowland Ave. | 2016-10-06 | 2016-10-09 | 2016 | 1 | |
| Community Centre, Rathangan, The | The Community Centre, Rathangan | Ireland, Co. Kildare | 2007-03-28 | -- | 2007 | 1 | |
| Courtyard Theatre, The | The Courtyard Theatre | England, London, Bowling Green Walk, 40 Pitfield St, | 2013-01-09 | 2013-01-20 | 2013 | 1 | |
| Centralen Voenen Club (Central Military Club) | Centralen Voenen Club (Central Military Club) | Bulgaria, Sofia, 7 Tzar Osvoboditel Blvd. | 2003-01-17 | -- | 2003 | 1 | |
| Chicago Conservatory | Chicago Conservatory | United States, Chicago | 1892-04-14 | 1892-04-14 | 1892 | 1 | |
| Cylindahallen | Cylindahallen | Sweden, Vara, Vara Torsgården | 2006-11-04 | -- | 2006 | 1 | |
| Center for Remembering and Sharing | Center for Remembering and Sharing | United States, New York, 123 4th Ave | 2006-04-14 | 2006-05-07 | 2006 | 1 | |
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