| Comédie Claude Volter | Comédie Claude Volter | Belgium, Brussels, 1150 St-Pieters-Woluwe | 2011-03-16 | 2011-04-09 | 2011 | 1 | |
| Cowshed Theatre | Cowshed Theatre | Australia, Townsville, 101 Angus Smith Drive, James Cook University | 1995-09-21 | 1995-09-30 | 1995 | 1 | |
| Costa Rica | Costa Rica | Costa Rica | 2011-03-05 | 2011-03-10 | 2011 | 1 | |
| Compania Excelsior | Compania Excelsior | Romania, Bucharest | 1920-- | -- | 1920 | 1 | |
| Chur | Chur | Switzerland, Chur | 2003-01-30 | -- | 2003 | 1 | |
| Cineteatro Gavezzani | Cineteatro Gavezzani | Italy, Seriate, Via Carlo Cattaneo, 1, 24068 | 2021-10-01 | 2021-10-03 | 2021 | 1 | |
| Casa Teatro Ragazzi | Casa Teatro Ragazzi | Italy, Torino, Corso Galileo Ferraris n. 266 10134 - Torino | 2014-05-23 | -- | 2014 | 1 | |
| Coupole de Saint-Louis, Théâtre la | Théâtre la Coupole de Saint-Louis | France, Saint-Louis, 2 Croisée des Lys | 2001-05-02 | -- | 2001 | 1 | |
| Centro Cultural Trinidad Guevara | Centro Cultural Trinidad Guevara | Argentina, Mendoza, Juan B. Justo 58 | 2006-04-14 | 2006-04-15 | 2006 | 1 | |
| Centre Socio-Culturel l’Albatros | Centre Socio-Culturel l’Albatros | France, Lingolsheim, 1 Rue du Général de Gaulle | 2000-01-22 | -- | 2000 | 1 | |
| Chicago Cultural Center | Chicago Cultural Center | United States of America, Chicago, 78 E Washington St | 2009-04-18 | 2009-05-11 | 2009 | 1 | |
| Canberra | Canberra | Australia, Canberra | -- | -- | | | |
| Community Arts Centre | Community Arts Centre | Ireland, Mountmellick | 2007-03-21 | -- | 2007 | 1 | |
| Crossroads Charter Academy Auditorium | Crossroads Charter Academy Auditorium | United States of America, Big Rapids, MI | 2025-04-10 | 2025-04-13 | 2025 | 1 | |
| Casa del Marino | Casa del Marino | Spain, Palmas de Gran Canaria | 1966-02-03 | -- | 1966 | 1 | |
| CC Het Bolwerk | CC Het Bolwerk (Cultuurcentrum Vilvoorde) | Belgium, 1800, Bolwerkstraat 17 | 2002-04-30 | 2002-04-30 | 2002–2007 | 2 | |
| Cripplegate Institute | Cripplegate Institute | England, London, Brackley Street | 1905-11-28 | -- | 1905 | 1 | |
| Chongqing Xingguang Juyuan | Chongqing Xingguang Juyuan (Chongqing Stars Theater) | China, Chongqing, No. 25 Hongen Rd, Jiangbei District, Chongqing City | 2014-09-10 | 2014-09-12 | 2014 | 1 | |
| Centre Stage Theatre | Centre Stage Theatre | Australia, Spring Hill, 25 Quarry Street | 2008-05-29 | 2008-06-14 | 2008 | 1 | |
| Colegio Médico de Los Ángeles | Colegio Médico de Los Ángeles | Chile, Los Ángeles, Calle San Martin 290, Of 11, | 2011-11- | -- | 2011 | 1 | |
| Comédie Caumartin | Comédie Caumartin | France, Paris, 25 Rue de Caumartin | 1952-12-09 | -- | 1952–1991 | 2 | |
| Cullen Theater, Wortham Theater Center | Cullen Theater, Wortham Theater Center | United States of America, Houston | 1991-05-22 | 2015-04-04 | 1991–2015 | 2 | |
| Cuina, La | La Cuina | Spain, Barcelona | 1993-11-05 | 1993-11-21 | 1993 | 1 | |
| Court House Theatre | Court House Theatre | Canada, Niagara-on-the-Lake, 26 Queen Street | 1974-06-27 | 2012-09-29 | 1974–2012 | 5 | |
| Craiova | Craiova | Romania, Craiova | 1907-- | -- | 1907 | 1 | |
| Cutler Majestic Theatre | Cutler Majestic Theatre | United States of America, Boston, 219 Tremont Street | 1908-04-13 | 2011-11-06 | 1908–2011 | 2 | |
| Chrzanów | Chrzanów | Poland, Chrzanów | -- | -- | | | |
| Castillo de Doña Berenguela | Castillo de Doña Berenguela | Spain, Bolaños de Calatrava | 1975-07- | -- | 1975 | 1 | |
| Cinema, Teatro | Teatro Cinema | Chile, Ernesto Pinto Lagarrigue 179 | 2014-08-07 | 2014-08-24 | 2014 | 1 | |
| Capital Stage | Capital Stage | United States of America, Sacramento, 2215 J St | 2013-05-15 | 2013-06-15 | 2013 | 1 | |
| Classic Stage Company | Classic Stage Company | United States of America, New York, 136 E 13th St | 1981-11-08 | 2016-06-27 | 1981–2016 | 7 | |
| Congress-Centrum Stadtgarten | Congress-Centrum Stadtgarten | Germany, Schwäbisch Gmünd, Rektor-Klaus-Straße 9, | 2012-04-19 | -- | 2012 | 1 | |
| Cagliari | Cagliari | Italy, Cagliari | 1893-03-21 | -- | 1893–1903 | 2 | |
| Castle, the | The Castle | England, Wellingborough, 10 Castle Way | 2011-03-31 | 2014-10-22 | 2011–2014 | 3 | |
| Casino Republicà (Barceloneta) | Casino Republicà (Barceloneta) | Spain, Barcelona | 1918-01-06 | -- | 1918 | 1 | |
| Crookston town Square | Crookston town Square | United States of America, Crookston | 2019-06-07 | 2019-06-08 | 2019 | 1 | |
| Ciacova | Ciacova | Romania, Ciacova | -- | -- | | | |
| Cinema Teatro Nuovo Varese | Cinema Teatro Nuovo Varese | Italy, Varese, Viale dei Mille, 39 | 2022-04-29 | -- | 2022 | 1 | |
| Český rozhlas (Czech Radio) | Český rozhlas (Czech Radio) | Czech Republic, Brno | 2006-05-23 | 2012-10-20 | 2006 | 1 | |
| CC Het Gasthuis | CC Het Gasthuis | Belgium, Aarschot | 2007-11-23 | -- | 2007 | 1 | |
| Columbia College Chicago Theatre Center | Columbia College Chicago Theatre Center | United States of America, Chicago, 72 E 11th St | 2017-02-08 | 2017-02-18 | 2017 | 1 | |
| Chiryu | Chiryu | Japan, Chiryu | -- | -- | | | |
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