| Cape Breton Regional Municipality | Cape Breton Regional Municipality | Canada, Nova Scotia | 2000-01-27 | 2000-01-29 | 2000 | 1 | |
| Carré, Scène nationale - Centre d'art contemporain, Le | Le Carré, Scène nationale - Centre d'art contemporain | France, Château-Gontier-sur-Mayenne, 4 bis Rue Horeau | 2012-12-04 | -- | 2012 | 1 | |
| Central City Opera House | Central City Opera House | United States, Denver, 124 Eureka Street, Central City | 1937-07-17 | 1937-08-07 | 1937 | 1 | |
| Christ's Hospital School | Christ's Hospital School | England, Horsham, Christ's Hospital | 2018-10-08 | -- | 2018 | 1 | |
| Coger Theatre | Coger Theatre | United States, Springfield, 1147 Grand Street | 2006-02-23 | 2006-02-28 | 2006 | 1 | |
| Columbia Theatre | Columbia Theatre | United States, Washington | 1902-11-10 | -- | 1902 | 1 | |
| City Stage Theatre | City Stage Theatre | United States, Kansas City, 30 W Pershing Rd | 2019-08-07 | 2019-08-25 | 2019 | 1 | |
| Colonnade Theatre | Colonnade Theatre | Canada, Toronto | 1972-10-30 | -- | 1972 | 1 | |
| Cultuurcentrum De Steiger Menen | Cultuurcentrum De Steiger Menen | Belgium, Menen, Waalvest 1 | 2007-11-09 | -- | 2007 | 1 | |
| Csokonai Színház Irodalmi Színpad | Csokonai Színház Irodalmi Színpad | Hungary, Debrecen, Kossuth u. 10. | 1946-11-23 | -- | 1946 | 1 | |
| Caracas | Caracas | Venezuela, Caracas | 2014-- | -- | 2014 | 1 | |
| Copley Theatre | Copley Theatre | United States, Boston, 225 Clarendon St | 1917-04-16 | -- | 1917 | 1 | |
| 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 | |
| Centro Cultural de Redondo | Centro Cultural de Redondo | Portugal, Redondo, R. das Vinhas Novas 12 | 2007-02-17 | -- | 2007 | 1 | |
| Casa de Cultura de Tobarra | Casa de Cultura de Tobarra | Spain, Tobarra, Albacete, Av. Juan Carlos I, 16 | 1993-01-02 | -- | 1993 | 1 | |
| Cohoes | Cohoes | United States, Cohoes | 1903-10-03 | 1903-10-03 | 1903 | 1 | |
| Cremorne Theatre, Queensland Performing Arts Centre | Cremorne Theatre, Queensland Performing Arts Centre | Australia, Brisbane, Cnr Grey and Melbourne Street South Bank | 1989-07-04 | 1989-08-05 | 1989 | 1 | |
| Centro Cultural de Ílhavo | Centro Cultural de Ílhavo | Portugal, Ílhavo, Avenida 25 de Abril | 2009-07-03 | 2009-07-05 | 2009 | 1 | |
| Chicago Norske Klubs Dramatiske Selskap | Chicago Norske Klubs Dramatiske Selskap | United States, Chicago | 1930-11-16 | 1930-11-23 | 1930 | 1 | |
| Collège Leclerc | Collège Leclerc | France, Schiltigheim, 9 avenue du 23 Novembre | 2020-09-18 | -- | 2020 | 1 | |
| Central Library Theatre | Central Library Theatre | Canada, Toronto | 1959-04-24 | -- | 1959 | 1 | |
| Champaign | Champaign | United States, Champaign | 1903-12-17 | 1903-12-17 | 1903 | 1 | |
| Cabe Theatre Arts Center, Hendrix College | Cabe Theatre Arts Center, Hendrix College | United States, Conway, Washington Ave | 2004-02-25 | 2004-02-28 | 2004 | 1 | |
| Cultuurcentrum de Fabriek | Cultuurcentrum de Fabriek | Belgium, St Lievens Houtem, Fabrieksstraat 19 | 2009-10-24 | -- | 2009 | 1 | |
| Chappelear Drama Center | Chappelear Drama Center | United States, Delaware, 45 Rowland Ave. | 2016-10-06 | 2016-10-09 | 2016 | 1 | |
| Circul de Granada | Circul de Granada | Spain, Gracia (Barcelona) | 1894-05-10 | 1894-05-10 | 1894 | 1 | |
| Centre Pompidou | Centre Pompidou | France, Paris, Place Georges-Pompidou | 1996-04-26 | 1996-04-27 | 1996 | 1 | |
| Chan Auditorium, University of Alabama | Chan Auditorium, University of Alabama | United States, Huntsville, University Circle | 2008-10-22 | 2008-10-26 | 2008 | 1 | |
| CC De Kaekelaar | CC De Kaekelaar | Belgium, Schoten, Verbertstraat 7 | 2007-11-21 | -- | 2007 | 1 | |
| Casa de Cultura | Casa de Cultura | Spain, San Lorenzo de El Escorial, C/ Floridablanca 3. | 2005-11-26 | 2005-11-26 | 2005 | 1 | |
| Cramphorn Theatre | Cramphorn Theatre | England, Chelmsford, Essex, Fairfield Rd | 1993-05-18 | 1993-10-23 | 1993 | 1 | |
| Chicago Auditorium | Chicago Auditorium | United States, Chicago, 50 E Congress Pkwy | 1924-01-01 | 1924-01-10 | 1924 | 1 | |
| CC de Steenoven | CC de Steenoven | Belgium, Herzele, Kerkkouter 40 | 2007-11-27 | -- | 2007 | 1 | |
| CaféTeatret | CaféTeatret | Denmark, Copenhagen, Skindergade 3 | 1988-05-24 | -- | 1988 | 1 | |
| Cable Hall | Cable Hall | United States, Atlanta | 1914-04-02 | 1914-04-02 | 1914 | 1 | |
| Clark Street Playhouse | Clark Street Playhouse | United States, Arlington, 601 S Clark St | 2008-02-07 | 2008-03-09 | 2008 | 1 | |
| Canale 2 | Canale 2 | Italy, Altamura (BA), Via Giovanni Bovio 1, 70022 Altamura (BA) | 1970-05-20 | -- | 1970 | 1 | |
| CC De Dijk | CC De Dijk (Cultural Center) | Belgium, Brugge, Blankenbergse Steenweg 221 | 2008-01-17 | 2008-01-18 | 2008 | 1 | |
| Cuina, La | La Cuina | Spain, Barcelona | 1993-11-05 | 1993-11-21 | 1993 | 1 | |
| Chakana Entertainment Centre | Chakana Entertainment Centre | Malawi, Nkhata Bay | 2006-06-11 | -- | 2006 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Thiene, Viale Francesco Bassani, 28 | 2018-02-20 | 2018-02-22 | 2018 | 1 | |
| Cyber Act Théâtre | Cyber Act Théâtre | France, Paris, 5 passage de Thionville | 2005-01-11 | 2005-04-03 | 2005 | 1 | |
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