| Centro Cultural e Congressos de Caldas da Rainha | Centro Cultural e Congressos de Caldas da Rainha | Portugal, Caldas da Rainha, R. Dr. Leonel Sotto Mayor | 2009-08-21 | 2009-08-22 | 2009 | 1 | |
| Cool | Cool | Netherlands, Heerhugowaard, Coolplein 1 | 2009-11-13 | -- | 2009 | 1 | |
| Chicago | Chicago | United States, Chicago | 1887-05-15 | 1978-12-24 | 1887–1978 | 7 | |
| Centre d'Etudes Théâtrales | Centre d'Etudes Théâtrales | Belgium, Louvain-la-Neuve, 1348 Ottignies | 1975-- | -- | 1975 | 1 | |
| Connecticut | Connecticut | United States, Connecticut | 1998-- | 1998-- | 1998 | 1 | |
| Cultuurcentrum De Herbakker | Cultuurcentrum De Herbakker | Belgium, Eeklo, Pastoor de Nevestraat 10 | 1998-10-22 | -- | 1998–2009 | 3 | |
| Casa de Cultura Teodoro Cuesta | Casa de Cultura Teodoro Cuesta | Spain, Mieres, Calle Manuel Llaneza, 8 | 2008-10-29 | 2015-03-05 | 2008–2015 | 2 | |
| Civic Repertory Theatre | Civic Repertory Theatre | United States, New York, 107 W. 14th St. (Sixth Ave) | 1926-11-01 | -- | 1926–1928 | 3 | |
| Citizen's Theatre | Citizen's Theatre | Scotland, Glasgow, 119 Gorbals Street | 1970-06-03 | 2009-05-30 | 1970–2009 | 5 | |
| Charlestown Working Theater | Charlestown Working Theater | United States, Charlestown, 442 Bunker Hill St | 1988-03-18 | 1988-04-10 | 1988 | 1 | |
| CC ´t Bruggeske | CC ´t Bruggeske (Cultuurcentrum Bruggeske Kapellen) | Belgium, Kapellen, Dorpsstraat 45 | 2006-12-06 | -- | 2006 | 1 | |
| CAES Torre Pacheco | CAES Torre Pacheco | Spain, Murcia, Paseo Villa Esperanza 13 | 2010-04-17 | -- | 2010 | 1 | |
| Chulalongkorn University | Chulalongkorn University | Thailand, Bangkok, 254 Phayathai Road | 2005-06- | -- | 2005 | 1 | |
| Carré Magique - Pôle national cirque en Bretagne, Le | Le Carré Magique - Pôle national cirque en Bretagne | France, Lannion, Parvis des Droits de l'Homme | 2012-02-02 | 2012-02-03 | 2012 | 1 | |
| Chongqing Stars Theater | Chongqing Stars Theater | China, Chongqing, No. 25 Hongen Rd, Jiangbei District, Chongqing City | 2014-09-10 | 2014-09-12 | 2014 | 1 | |
| Cinema-Teatro Lumière | Cinema-Teatro Lumière | Italy, Termoli, CB, Fratelli Brigida, 102 | 2008-02-27 | -- | 2008 | 1 | |
| Canadian Theatre School | Canadian Theatre School | Canada, Toronto | 1952-05-14 | -- | 1952 | 1 | |
| Cultuurcentrum Genk | Cultuurcentrum Genk | Belgium, Genk, C-mine 10 bus 2 | 1999-10-27 | 1999-10-27 | 1999–2007 | 2 | |
| Cuciulata | Cuciulata | Romania, Cuciulata | -- | -- | | | |
| Charlton Park | Charlton Park | England, Canterbury | 2018-06-24 | -- | 2018 | 1 | |
| City Lit (John Lyons Hall) | City Lit (John Lyons Hall) | England, London, Keeley Street Covent Garden | 2008-07-12 | 2008-07-27 | 2008 | 1 | |
| Centrul Cultural Municipal "George Coşbuc" Bistriţa | Centrul Cultural Municipal "George Coşbuc" Bistriţa | Romania, str. Albert Berger, nr. 10 | 2011-03-28 | -- | 2011 | 1 | |
| Concordia University Texas (School of Fine Arts) | Concordia University Texas (School of Fine Arts) | United States, Office C-206 | 512.313.5410 11400 Concordia University Dr. Austin, TX 78726 | 2016-11-04 | 2016-11-14 | 2016 | 1 | |
| College Theatre, San Jose State College | College Theatre, San Jose State College | United States, San Jose, 1 Washington Sq | 1963-03-22 | 1963-03-30 | 1963 | 1 | |
| Changchun Public Theatre | Changchun Public Theatre | China, Changchun, Nanguan Distric, Changchun City, Jilin Province | 2018-07-05 | 2018-07-07 | 2018 | 1 | |
| Commercial Club Assembly Hall | Commercial Club Assembly Hall | United States, Hood River | 1910-09-14 | 1910-09-14 | 1910 | 1 | |
| Comberton Village College | Comberton Village College | England, Cambridgeshire, West Street, Comberton | 2017-07-08 | -- | 2017 | 1 | |
| Cugir | Cugir | Romania, Cugir | -- | -- | | | |
| Circa Theatre | Circa Theatre | New Zealand, Te Aro, Wellington, 1 Taranaki Street | 1995-03-10 | 2019-09-02 | 1995–2019 | 3 | |
| Comédie de Béthune, La | La Comédie de Béthune | France, Béthune, 138 Rue du 11 Novembre | 2010-11-30 | 2010-12-10 | 2010 | 1 | |
| Colonial Theatre | Colonial Theatre | United States, Boston, 106 Boylston St | 1904-02-26 | 1904-02-27 | 1904–1946 | 6 | |
| Chando Hostel | Chando Hostel | Malawi, Ntcheu | 2006-05-04 | -- | 2006 | 1 | |
| Colonnade Theatre | Colonnade Theatre | Canada, Toronto | 1972-10-30 | -- | 1972 | 1 | |
| Csokonai Színház Irodalmi Színpad | Csokonai Színház Irodalmi Színpad | Hungary, Debrecen, Kossuth u. 10. | 1946-11-23 | -- | 1946 | 1 | |
| Chassé Theater | Chassé Theater | Netherlands, Breda, Van Claudius Prinsenlaan 8 | 1998-12-08 | -- | 1998–2017 | 10 | |
| Center Players | Center Players | United States, Freehold, 35 South Street | 2015-07-10 | 2015-08-09 | 2015 | 1 | |
| Curitiba | Curitiba | Brazil, Curitiba | 2005-04- | 2008-08-03 | 2005–2008 | 2 | |
| Conservatório Nacional de Teatro | Conservatório Nacional de Teatro | Portugal, Lisbon | 1928-03-20 | -- | 1928 | 3 | |
| Caracas | Caracas | Venezuela, Caracas | 2014-- | -- | 2014 | 1 | |
| CC Den Horinck | CC Den Horinck | Belgium, Asse, Noorderlaan 20 | 2000-10-10 | 2008-01-09 | 2000–2008 | 2 | |
| Como | Como | Italy, Como | 1894-04-07 | -- | 1894 | 1 | |
| Centre Dramatique National Besançon Franche-Comté | Centre Dramatique National Besançon Franche-Comté | France, Besançon, Avenue Edouard Droz Esplanade Jean-Luc Lagarce | 2007-01-17 | 2008-05-18 | 2007–2008 | 2 | |
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