| Circo Teatro Arena | Circo Teatro Arena | Argentina, Buenos Aires, Charcas 558 | 1961-- | -- | 1961 | 1 | |
| Congress-Centrum Stadtgarten | Congress-Centrum Stadtgarten | Germany, Schwäbisch Gmünd, Rektor-Klaus-Straße 9, | 2012-04-19 | -- | 2012 | 1 | |
| Cultural Arts Building, University of North Carolina Wilmington | Cultural Arts Building, University of North Carolina Wilmington | United States, Wilmington, 5270 Randall Drive | 2009-11-19 | 2009-11-23 | 2009 | 1 | |
| Centrál színház | Centrál színház | Hungary, Budapest, Révay u. 18 | 2018-09-23 | -- | 2018 | 1 | |
| Carrboro ArtsCenter | Carrboro ArtsCenter | United States, Carrboro, 300-G E Main St | 2002-09-04 | 2002-09-22 | 2002 | 1 | |
| Cripplegate Institute | Cripplegate Institute | England, London, Brackley Street | 1905-11-28 | -- | 1905 | 1 | |
| Community Center Theatre | Community Center Theatre | United States, New York | 1947-05-19 | 1947-05-22 | 1947 | 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 | |
| Centre d'Etudes Théâtrales | Centre d'Etudes Théâtrales | Belgium, Louvain-la-Neuve, 1348 Ottignies | 1975-- | -- | 1975 | 1 | |
| CC Leopoldsburg | CC Leopoldsburg (Cultureel Centrum Leopoldsburg) | Belgium, Leopoldsburg, Kastanjedreef 1 | 1999-03-15 | -- | 1999 | 1 | |
| Capital Repertory Theatre | Capital Repertory Theatre | United States, Albany, 111 N Pearl St | 2000-02-04 | 2000-02-27 | 2000 | 1 | |
| Cultuurcentrum Mechelen (A. Spinoy) | Cultuurcentrum Mechelen (A. Spinoy) | Belgium, Mechelen, Minderbroedersgang 5 | 2001-04-17 | 2001-04-17 | 2001 | 1 | |
| Capitol Theatre | The Capitol Theatre | England, Manchester | 2008-10-08 | 2008-10-11 | 2008 | 1 | |
| Classic Theatre, The | The Classic Theatre | United States, San Antonio, 1924 Fredericksburg Rd | 2017-11-03 | 2017-11-26 | 2017 | 1 | |
| Čadca | Čadca | Slovak Republic, Čadca | 1913-01-13 | -- | 1913 | 1 | |
| Chickering Hall | Chickering Hall | United States, Boston | 1891-04-09 | 1891-04-09 | 1891 | 1 | |
| Compania Mărioara Voiculescu-Bulandra | Compania Mărioara Voiculescu-Bulandra | Romania, Bucharest | 1916-01-13 | -- | 1916 | 1 | |
| Centro Hebraico Riograndense | Centro Hebraico Riograndense | Brazil, Porto Alegre, Rua Cel Fernando Machado, 1008 | 1952-10- | -- | 1952 | 1 | |
| Crediton Drama Centre | Crediton Drama Centre | England, Crediton, Devon, East St | 2003-03-21 | -- | 2003 | 1 | |
| Capital Theatre | Capital Theatre | China, Beijing, 22 Wangfujing St, Dongcheng | 1995-10- | 1995-10- | 1995 | 1 | |
| Center Players | Center Players | United States, Freehold, 35 South Street | 2015-07-10 | 2015-08-09 | 2015 | 1 | |
| Casino Théâtre | Casino Théâtre | Switzerland, Geneva, Rue de Carouge 42 | 2000-05-23 | 2000-05-27 | 2000 | 1 | |
| Centre culturel de Mont-sur-Marchienne | Centre culturel de Mont-sur-Marchienne | Belgium, Charleroi, Rue du Château 3 | 2020-10-04 | 2020-10-06 | 2020 | 1 | |
| Chando Hostel | Chando Hostel | Malawi, Ntcheu | 2006-05-04 | -- | 2006 | 1 | |
| Charity Randall Theatre | Charity Randall Theatre | United States, Pittsburgh, 4301 Forbes Ave | 2007-06-14 | 2007-06-30 | 2007 | 1 | |
| Civic Theatre | Civic Theatre | England, Darlington, Parkgate | 2004-02-24 | 2004-02-28 | 2004 | 1 | |
| Clark Theatre, Dillingham Center | Clark Theatre, Dillingham Center | United States, Ithaca, 953 Danby Rd | 2007-10-02 | 2007-10-07 | 2007 | 1 | |
| CC De Ster | CC De Ster | Belgium, Willebroek, Pastorijstraat 1 | 2002-03-22 | 2002-03-22 | 2002 | 1 | |
| Carlton Courthouse | Carlton Courthouse | Australia, Carlton, 349 Drummond St | 2001-09-24 | 2001-09-25 | 2001 | 1 | |
| Crucible Theatre | Crucible Theatre | England, Sheffield, 55 Norfolk St | 2010-02-11 | 2010-03-20 | 2010 | 1 | |
| Calumet | Calumet | United States, Calumet | 1903-11-23 | 1903-11-23 | 1903 | 1 | |
| Customs House, The | The Customs House | England, Tyne and Wear, South Shields | 2014-10-06 | 2014-10-06 | 2014 | 1 | |
| Cantabile 2 | Cantabile 2 | Denmark, Stege, Kostervej 2b | 2013-09-23 | -- | 2013 | 1 | |
| Cathinka Guldberg-senteret | Cathinka Guldberg-senteret | Norway, Oslo, Lovisenberggata 7B | 2006-10-31 | -- | 2006 | 1 | |
| Château de Clermont | Château de Clermont | France, Clermont, Voie Communale N°6 du Chef Lieu À la Rn 510, | 2001-07- | -- | 2001 | 1 | |
| Casa del Marino | Casa del Marino | Spain, Palmas de Gran Canaria | 1966-02-03 | -- | 1966 | 1 | |
| Comoedienhaus Wilhelmsbad | Comoedienhaus Wilhelmsbad | Germany, Hanau, Parkpromenade 1 | 2007-03-24 | 2007-03-26 | 2007 | 1 | |
| Casinos Lille Teater | Casinos Lille Teater | Denmark, Copenhagen | 1931-03-08 | -- | 1931 | 1 | |
| Channel 2 (Italy) | Channel 2 (Italy) | Italy | 1982-01-25 | -- | 1982 | 1 | |
| CC Hof Ter Straeten | CC Hof Ter Straeten (Cultuurcentrum Hof Ter Straeten) | Belgium, Varsenare, Hof van Straeten 1 | 2006-12-08 | -- | 2006 | 1 | |
| College Theatre | College Theatre | United States, Chicago | 1907-12-10 | 1907-12-10 | 1907 | 1 | |
| Centre Culturel de L´Arrondissement de Huy | Centre Culturel de L´Arrondissement de Huy | Belgium, Huy, Avenue Delchambre, 7a | 1997-04-26 | -- | 1997 | 1 | |
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