| Cultureel Centrum Maasmechelen | CC Maasmechelen | Belgium, Maasmechelen, Koninginnelaan 42 | 1995-03-24 | -- | 1995–2014 | 3 | |
| Cylindahallen | Cylindahallen | Sweden, Vara, Vara Torsgården | 2006-11-04 | -- | 2006 | 1 | |
| Chequer Mead Arts Centre | Chequer Mead Arts Centre | England, East Grinstead, West Sussex, De La Warr Road | 1999-06-04 | 2011-01-30 | 1999–2018 | 3 | |
| Centro Cultural Helénico | Centro Cultural Helénico | Mexico, Mexico City, 01020 d f, Av Revolución 1500, Campestre, Álvaro Obregón | 2006-05-19 | 2018-02-04 | 2006–2017 | 2 | |
| City Lights Theater Company | City Lights Theater Company | United States, San Jose, 529 S Second St | 2013-03-21 | 2013-04-21 | 2013 | 1 | |
| Comedy Theatre | Comedy Theatre | England, London, Panton Street | 1960-01-05 | 2001-07-14 | 1960–2001 | 2 | |
| Celje | Celje | Slovenia, Celje | 1907-05-22 | -- | 1907 | 3 | |
| Campbell Theatre | Campbell Theatre, Kadoma, Zimbabwe | Zimbabwe, Kadoma | 2006-06-28 | -- | 2006 | 1 | |
| CC De Markthallen | CC De Markthallen | Belgium, Herk-de-Stad, Markt 2 | 2001-05-03 | 2001-05-03 | 2001 | 1 | |
| Crnogorsko Narodno Pozoriste | Crnogorsko Narodno Pozoriste | Montenegro, Podgorica, Stanka Dragojevića 18 | 2000-12-10 | -- | 2000 | 1 | |
| Cultuurcentrum De Spil | Cultuurcentrum De Spil | Belgium, Roeselare, Hippoliet Spilleboutdreef 1 | 2007-11-15 | -- | 2007 | 1 | |
| Činoherní studio | Činoherní studio | Czech Republic, Ústí nad Labem, Varšavská 767 | 1984-05-28 | -- | 1984–2011 | 2 | |
| Centro Cultural de Onil | Centro Cultural de Onil | Spain, Onil, Avda. de la Constitución, 21 | 2005-11-19 | 2005-11-19 | 2005 | 1 | |
| Coliseum Theatre | Coliseum Theatre | England, Oldham, Lancashire, Fairbottom St | 2006-04-04 | 2006-04-05 | 2006 | 1 | |
| Chiesa di san Nicolò | Chiesa di san Nicolò | Italy, Spoleto | 1982-06-26 | -- | 1982 | 1 | |
| CC Strombeek-Bever | CC Strombeek-Bever | Belgium, Strombeek-Bever, Gemeenteplein 1 | 1994-04-22 | 1994-04-23 | 1994–2009 | 5 | |
| Comédie de Saint-Étienne, La | La Comédie de Saint-Étienne | France, Saint-Étienne, Place Jean Dasté | 2016-02-10 | 2016-02-12 | 2016 | 1 | |
| Central Park Theater | Central Park Theater | United States, New York | 1926-05-17 | -- | 1926 | 1 | |
| Colegio Santiago College | Colegio Santiago College | Chile, Santiago, Avenida Los Leones | 2012-08- | -- | 2012 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Thiene, Viale Francesco Bassani, 28 | 2018-02-20 | 2018-02-22 | 2018 | 1 | |
| Cutler Majestic Theatre | Cutler Majestic Theatre | United States, Boston, 219 Tremont Street | 1908-04-13 | 2011-11-06 | 1908–2011 | 2 | |
| Casino de Montbenon, Le | Le Casino de Montbenon | Switzerland, Lausanne, Allée Ernest-Ansermet 3 | 2008-09-10 | 2008-09-13 | 2008 | 1 | |
| Champaign | Champaign | United States, Champaign | 1949-01-14 | 1949-01-15 | 1949 | 1 | |
| Charter Theatre | Charter Theatre | England, Preston, Guild Hall, Lancaster Rd | 2011-04-15 | 2011-04-16 | 2011 | 1 | |
| Centro Cultural General San Martín | Centro Cultural General San Martín | Argentina, Buenos Aires, Sarmiento 1551 | 2018-05-15 | 2018-07-31 | 2018 | 1 | |
| Columbia Theatre | Columbia Theatre | United States, Chicago, Corner of Dearborn and Monroe Streets | 1890-03-05 | -- | 1890 | 1 | |
| Cumnock School | Cumnock School | United States, Los Angeles | 1911-06-02 | 1911-06-02 | 1911 | 1 | |
| Cellar Stage Theater | Cellar Stage Theater | United States, Northfield | 1972-02-11 | 1972-02-19 | 1972 | 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 | |
| Centraal Theater | Centraal Theater | Netherlands, Amsterdam, Amstelstraat 14-18 | 1956-10-09 | -- | 1956–1957 | 2 | |
| Conservatoire Gabriel Fauré | Conservatoire Gabriel Fauré | France, Paris, 12 Rue de Pontoise | 2004-10-04 | -- | 2004 | 1 | |
| Castellum Theater | Castellum Theater | Netherlands, Alphen aan Den Rijn, Rijnplein 3 | 2009-11-26 | -- | 2009 | 1 | |
| Center Stage Arena Theatre | Center Stage Arena Theatre | United States, Santa Barbara | 1995-05-16 | 2018-09-02 | 1995–2018 | 3 | |
| Centro Cultural de Redondo | Centro Cultural de Redondo | Portugal, Redondo, R. das Vinhas Novas 12 | 2007-02-17 | -- | 2007 | 1 | |
| Cordes Hall | Cordes Hall | England, Sunninghill, Berkshire, 2 High Street | 2002-05-09 | 2002-05-18 | 2002 | 1 | |
| Cultuurcentrum Kortrijk | Cultuurcentrum Kortrijk | Belgium, Kortrijk, Schouwburgplein 14 | 2007-12-03 | -- | 2007 | 1 | |
| Chernyakhovsk | Chernyakhovsk | Russia, Chernyakhovsk | -- | -- | | | |
| Centro Dramático Galego | Centro Dramático Galego | Spain, Santiago de Compostela, Salón Teatro. Rúa Nova, 34. | 2002-03-01 | 2002-04-09 | 2002 | 1 | |
| Coliseo | Coliseo | Spain, Salamanca, Calle del doctor Riesco (calle Toro) | 1928-09-15 | 1928-09-21 | 1928 | 1 | |
| Członkowie Akademickiego Kółka Miłośników Sceny | Członkowie Akademickiego Kółka Miłośników Sceny | Poland, Cieszyn | 1906-06-29 | -- | 1906 | 1 | |
| Carl Johan Teatret (Tivoli) | Carl Johan Teatret (Tivoli) | Norway, Oslo, Tivoli | 1894-10-03 | -- | 1894 | 2 | |
| CC Guldenberg | CC Guldenberg | Belgium, Wevelgem, Acaciastraat 1 | 1998-11-28 | -- | 1998 | 1 | |
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