| Cellar Stage Theater | Cellar Stage Theater | United States, Northfield | 1972-02-11 | 1972-02-19 | 1972 | 1 | |
| Conservatório Nacional de Teatro | Conservatório Nacional de Teatro | Portugal, Lisbon | 1928-03-20 | -- | 1928 | 3 | |
| Columbia Theatre | Columbia Theatre | United States, Boston, 978 Washington Street | 1895-04-16 | 1904-01-20 | 1895–1904 | 4 | |
| Casa D'Os Dias da Água | Casa D'Os Dias da Água | Portugal, Lisbon, Rua Dona Estefânia, 175 | 2006-07-13 | 2006-07-30 | 2006 | 1 | |
| Centraal Theater | Centraal Theater | Netherlands, Amsterdam, Amstelstraat 14-18 | 1956-10-09 | -- | 1956–1957 | 2 | |
| Conservatoire Gabriel Fauré | Conservatoire Gabriel Fauré | France, Paris, 12 Rue de Pontoise | 2004-10-04 | -- | 2004 | 1 | |
| Castellum Theater | Castellum Theater | Netherlands, Alphen aan Den Rijn, Rijnplein 3 | 2009-11-26 | -- | 2009 | 1 | |
| Cegléd | Cegléd | Hungary, Cegléd | 1907-05-22 | -- | 1907–1946 | 10 | |
| Centro Cultural de Redondo | Centro Cultural de Redondo | Portugal, Redondo, R. das Vinhas Novas 12 | 2007-02-17 | -- | 2007 | 1 | |
| Chester | Chester | England, Chester | -- | -- | | | |
| Cultuurcentrum Kortrijk | Cultuurcentrum Kortrijk | Belgium, Kortrijk, Schouwburgplein 14 | 2007-12-03 | -- | 2007 | 1 | |
| Creative Artists Laboratory Theater | Creative Artists Laboratory Theater | United States, New York, 303 W 42nd St | 2002-09-12 | 2002-10-05 | 2002 | 1 | |
| Chicago City Theatre | Chicago City Theatre | United States, Chicago, 5965 North Clark Street | 1980-09-11 | 1980-10-19 | 1980 | 1 | |
| Chateau Neuf Teaterscenen | Chateau Neuf Teaterscenen | Norway, Oslo, Slemdalsveien 15 | 1987-05-06 | 2014-03-29 | 1987–2014 | 3 | |
| Christchurch Studio Theatre | Christchurch Studio Theatre | England, London | 1951-03-06 | 1951-03-11 | 1951 | 1 | |
| Chando Hostel | Chando Hostel | Malawi, Ntcheu | 2006-05-04 | -- | 2006 | 1 | |
| CC Lokeren | CC Lokeren | Belgium, Lokeren, Kerkplein 5 | 1998-12-11 | 1999-10-22 | 1998–2007 | 3 | |
| Coye la Forêt, Centre Culturel de | Centre Culturel de Coye la Forêt | France, Coye-la-Forêt, 21 Rue d'Hérivaux | 1985-05-11 | 1997-05-24 | 1985–1997 | 3 | |
| Corrosia | Corrosia | Netherlands, Almere, Markt 43 | 2016-03-22 | -- | 2016–2017 | 2 | |
| Cyrk na placu Łukiskim | Cyrk na placu Łukiskim | Lithuania, Vilinus | 1911-11-17 | 1911-11-21 | 1911 | 1 | |
| Cercle d'Emulation | Cercle d'Emulation | Belgium, Liège | 1893-12- | -- | 1893 | 1 | |
| Civic Theatre | Civic Theatre | England, Darlington, Parkgate | 2004-02-24 | 2004-02-28 | 2004 | 1 | |
| Colombo | Colombo | Sri Lanka, Colombo | 1891-12-01 | -- | 1891 | 1 | |
| Casino Du Brassus | Casino Du Brassus | Switzerland, Le Chenit, Route de France 2 | 2018-11-25 | -- | 2018 | 1 | |
| Classical Theatre Company | Classical Theatre Company | United States, Houston, 4617 Montrose Blvd | 2016-02-03 | 2016-02-21 | 2016 | 1 | |
| Centrál színház | Centrál színház | Hungary, Budapest, Révay u. 18 | 2018-09-23 | -- | 2018 | 1 | |
| Connelly Theatre | Connelly Theatre | United States, New York, 220 E 4th St | 2008-09-03 | 2008-09-20 | 2008 | 1 | |
| Cumbernauld Theatre | Cumbernauld Theatre | Scotland, Cumbernauld, Kildrum | 2015-06-19 | 2015-06-20 | 2015 | 1 | |
| Cornell University Theatre | Cornell University Theatre | United States, Ithaca, 430 College Avenue | 1909-04-02 | 1971-03-13 | 1909–1974 | 8 | |
| CC de Steenoven | CC de Steenoven | Belgium, Herzele, Kerkkouter 40 | 2007-11-27 | -- | 2007 | 1 | |
| Chicago Theatre | Chicago Theatre | United States, Chicago | 1891-- | 1891-- | 1891 | 1 | |
| České lidové divadlo | České lidové divadlo | Czech Republic, Brno | 1943-09-21 | -- | 1943 | 1 | |
| Centro Experimental La Casa Rodante | Centro Experimental La Casa Rodante | Chile, Santiago, Alberto Figueroa 466 | 2012-01-03 | 2012-01-31 | 2012 | 1 | |
| Cristuru Secuiesc | Cristuru Secuiesc | Romania, Cristuru Secuiesc | 1911-06-09 | -- | 1911 | 1 | |
| Clark Street Playhouse | Clark Street Playhouse | United States, Arlington, 601 S Clark St | 2008-02-07 | 2008-03-09 | 2008 | 1 | |
| Colorado City | Colorado City | United States, Mitchell County | -- | -- | | | |
| Centro Ágora | Centro Ágora | Spain, A Coruña, Lugar da, Av. Gramela, 17 | 2017-11-30 | 2018-03-15 | 2017 | 1 | |
| Centrum Sztuki Studio im. St. I. Witkiewicza | Centrum Sztuki Studio im. St. I. Witkiewicza | Poland, Warsaw, Plac Defilad 1 | 1991-03-06 | -- | 1991 | 1 | |
| Centro Cívico Teodoro Sánchez Punter | Centro Cívico Teodoro Sánchez Punter | Spain, Zaragoza, Plaza Mayor, 3 | 2014-11-27 | 2014-11-28 | 2014 | 1 | |
| Classic Theatre, The | The Classic Theatre | United States, San Antonio, 1924 Fredericksburg Rd | 2017-11-03 | 2017-11-26 | 2017 | 1 | |
| Cleveland Play House | Cleveland Play House | United States, Cleveland, 1901 E 13th St | 1922-02-10 | 1922-02-19 | 1922–1926 | 2 | |
| Comédie Française | Comédie Française | France, Paris, 1 Place Colette | 1936-04-02 | -- | 1936 | 1 | |
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