| Comédie de Caen - Centre dramatique national de Normandie | Comédie de Caen - Centre dramatique national de Normandie | France, Hérouville-Saint-Clair, 1 Square du Théâtre | 2005-02-01 | 2018-10-11 | 2005–2018 | 4 | |
| Country Club York | Country Club York | United States of America, York | 1914-11-13 | 1914-11-13 | 1914 | 1 | |
| Centro Cultural General San Martín | Centro Cultural General San Martín | Argentina, Buenos Aires, Sarmiento 1551 | 2018-05-15 | 2018-07-31 | 2018 | 1 | |
| Cultuurcentrum 't Vondel | Cultuurcentrum 't Vondel | Belgium, Halle, J. Possozplein 40 | 2002-02-26 | 2002-02-26 | 2002 | 1 | |
| Ciacova | Ciacova | Romania, Ciacova | -- | -- | | | |
| Charleville | Charleville | France, Charleville | 1993-- | 1994-- | 1993 | 1 | |
| Centrul Cultural Municipal "George Coşbuc" Bistriţa | Centrul Cultural Municipal "George Coşbuc" Bistriţa | Romania, str. Albert Berger, nr. 10 | 2011-03-28 | -- | 2011 | 1 | |
| CC De Woeker | CC De Woeker | Belgium, Oudenaarde, Woeker 3 | 2002-02-21 | 2007-- | 2002–2007 | 2 | |
| Capitol Theater | Capitol Theater | Germany, Offenbach am Main, Nordend, Kaiserstraße 106 | 2010-03-28 | -- | 2010 | 1 | |
| Cuneo | Cuneo | Italy, Cuneo | 1934-05-01 | 1934-05-02 | 1934 | 1 | |
| China Central Academy of Theatre | China Central Academy of Theatre | China, Beijing | 2014-11-23 | -- | 2014 | 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 | |
| Campobasso | Campobasso | Italy, Campobasso | -- | -- | | | |
| Coliseo | Coliseo | Spain, Salamanca, Calle del doctor Riesco (calle Toro) | 1928-09-15 | 1928-09-21 | 1928 | 1 | |
| Carl Johan Teatret (Tivoli) | Carl Johan Teatret (Tivoli) | Norway, Oslo, Tivoli | 1894-10-03 | -- | 1894 | 2 | |
| Company OnStage | Company OnStage | United States of America, Houston, 536 Westbury Square | 2005-01-14 | 2012-02-18 | 2005–2012 | 2 | |
| Centre culturel Boris Vian | Centre culturel Boris Vian | France, Les Ulis, Rue du Morvan | 1999-01-19 | 2008-03-27 | 1999–2008 | 2 | |
| Congress-Centrum Stadtgarten | Congress-Centrum Stadtgarten | Germany, Schwäbisch Gmünd, Rektor-Klaus-Straße 9, | 2012-04-19 | -- | 2012 | 1 | |
| Canadian Theatre School | Canadian Theatre School | Canada, Toronto | 1952-05-14 | -- | 1952 | 1 | |
| Cristuru Secuiesc | Cristuru Secuiesc | Romania, Cristuru Secuiesc | 1911-06-09 | -- | 1911 | 1 | |
| Centre d'Animation du Haut-Doubs | Centre d'Animation du Haut-Doubs | France, Pontarlier, 2 Rue Jeanne d'Arc | 2001-05-11 | -- | 2001 | 1 | |
| Casa Municipal de la Cultura de Lugones | Casa Municipal de la Cultura de Lugones | Spain, Lugones, Calle de Leopoldo Lugones, 12 | 2014-08-25 | -- | 2014 | 1 | |
| Columbia-Greene Community College | Columbia-Greene Community College | United States of America, Hudson, 4400 NY-23 | 2017-11-10 | 2017-11-12 | 2017 | 1 | |
| Chikwawa | Chikwawa | Malawi, Chikwawa | 2006-05-20 | -- | 2006 | 1 | |
| CC ´t Bruggeske | CC ´t Bruggeske (Cultuurcentrum Bruggeske Kapellen) | Belgium, Kapellen, Dorpsstraat 45 | 2006-12-06 | -- | 2006 | 1 | |
| Chickering Hall | Chickering Hall | United States of America, Boston | 1891-04-09 | 1891-04-09 | 1891 | 1 | |
| Chapiteau Nouvel Espace | Chapiteau Nouvel Espace | France, Paris, 68, quai de Seine, | 2001-10- | -- | 2001 | 1 | |
| Cornerstone Arts Centre | Cornerstone Arts Centre | England, Didcot, 25 Station Road | 2014-10-04 | 2014-10-04 | 2014–2018 | 3 | |
| Christian Liger Théâtre | Théâtre Christian Liger | France, Nîmes, Place Hubert Rouger | -- | -- | | | |
| Centr imeni Vsevoloda Mejerhol'da | Centr imeni Vsevoloda Mejerhol'da (Centre) | Russia, Moscow, Novoslobodskaya St., 23 | 2005-09-11 | -- | 2005 | 1 | |
| Chicago Cultural Center | Chicago Cultural Center | United States of America, Chicago, 78 E Washington St | 2009-04-18 | 2009-05-11 | 2009 | 1 | |
| Chū no shibai/ chūza | Chū no shibai/ chūza (Naka no Shibai (Central Theatre)/Nakaza) | Japan, Osaka | 1912-03-14 | 1914-03-19 | 1912–1914 | 2 | |
| Centrul Cultural Județean Călărași | Centrul Cultural Județean Călărași | Romania, Călărași, Strada 1 Decembrie 1918 | 2015-12-08 | -- | 2015 | 1 | |
| Cinema-Teatro Lumière | Cinema-Teatro Lumière | Italy, Termoli, CB, Fratelli Brigida, 102 | 2008-02-27 | -- | 2008 | 1 | |
| Cozia | Cozia | Romania, Cozia | -- | -- | | | |
| Center of Performing Art, College of Staten Island | Center of Performing Art, College of Staten Island | United States of America, Staten Island, 2800 Victory Blvd | 2006-10-04 | -- | 2006 | 1 | |
| Comberton Village College | Comberton Village College | England, Cambridgeshire, West Street, Comberton | 2017-07-08 | -- | 2017 | 1 | |
| Czech Republic | Czech Republic | Czech Republic, Czech Republic | 1958-03-23 | -- | 1958 | 1 | |
| Činoherní studio | Činoherní studio | Czech Republic, Ústí nad Labem, Varšavská 767 | 1984-05-28 | -- | 1984–2011 | 2 | |
| Curhaus-Theater Davos | Curhaus-Theater Davos | Switzerland, Davos | 1905-04-12 | -- | 1905 | 1 | |
| Chiesa di san Nicolò | Chiesa di San Nicolò | Italy, Spoleto | 1982-06-26 | -- | 1982 | 1 | |
| Casal | El Casal | Spain, Tàrrega | 1993-09-11 | 1993-09-11 | 1993 | 1 | |
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