| Company OnStage | Company OnStage | United States of America, Houston, 536 Westbury Square | 2005-01-14 | 2012-02-18 | 2005–2012 | 2 | |
| CC De Dijk | CC De Dijk (Cultural Center) | Belgium, Brugge, Blankenbergse Steenweg 221 | 2008-01-17 | 2008-01-18 | 2008 | 1 | |
| Centre Stage Theatre | Centre Stage Theatre | Australia, Spring Hill, 25 Quarry Street | 2008-05-29 | 2008-06-14 | 2008 | 1 | |
| Casa de Cultură Miercurea Ciuc | Casa de Cultură Miercurea Ciuc | Romania, Miercurea Ciuc | 2018-05-06 | 2018-05-06 | 2018 | 1 | |
| Caracas | Caracas | Venezuela, Caracas | 2014-- | -- | 2014 | 1 | |
| Civic Centre Bismarck | Civic Centre Bismarck | United States of America, Bismarck | 1914-05-04 | 1914-05-04 | 1914 | 1 | |
| Crediton Drama Centre | Crediton Drama Centre | England, Crediton, Devon, East St | 2003-03-21 | -- | 2003 | 1 | |
| Cour des Trois Coquins, La | La Cour des Trois Coquins (La Cour des 3 Coquins) | France, Clermont-Ferrand, 12, rue Agrippa d’Aubigné | 2019-06-21 | 2019-06-23 | 2019 | 1 | |
| Centre Culturel André Malraux | Centre Culturel André Malraux | France, Vandoeuvre, Nancy, Rue de Parme | 2000-03-06 | -- | 2000 | 1 | |
| Cutler Majestic Theatre | Cutler Majestic Theatre | United States of America, Boston, 219 Tremont Street | 1908-04-13 | 2011-11-06 | 1908–2011 | 2 | |
| Cool | Cool | Netherlands, Heerhugowaard, Coolplein 1 | 2009-11-13 | -- | 2009 | 1 | |
| Cultureel Centrum De Bogaard | Cultureel Centrum De Bogaard | Belgium, Sint-Truiden, Capucienessenstraat 8 | 2007-11-12 | -- | 2007–2014 | 2 | |
| Cincinnati Playhouse in the Park | Cincinnati Playhouse in the Park | United States of America, Cincinnati, Mount Adams Circle | 1965-04-07 | -- | 1965 | 1 | |
| Champaign | Champaign | United States of America, Champaign | 1949-01-14 | 1949-01-15 | 1949 | 1 | |
| Colonial Theatre | Colonial Theatre | United States of America, Cleveland, 755 Superior Avenue E | 1904-01-20 | 1904-01-23 | 1904–1908 | 2 | |
| Caja de Fósforos | La Caja de Fósforos | Venezuela | -- | -- | | | |
| Crossroads Charter Academy Auditorium | Crossroads Charter Academy Auditorium | United States of America, Big Rapids, MI | 2025-04-10 | 2025-04-13 | 2025 | 1 | |
| CC De Woeker | CC De Woeker | Belgium, Oudenaarde, Woeker 3 | 2002-02-21 | 2007-- | 2002–2007 | 2 | |
| Chur | Chur | Switzerland, Chur | 2003-01-30 | -- | 2003 | 1 | |
| Casa de Cultură a Studenților | Casa de Cultură a Studenților | Romania, Cluj-Napoca, Piaţa Lucian Blaga 1-3 | 2012-04-20 | -- | 2012 | 1 | |
| Częstochowa | Częstochowa | Poland, Częstochowa | 1908-09- | -- | 1908–1918 | 4 | |
| Centro Socio Cultural Villa de Barajas | Centro Socio Cultural Villa de Barajas | Spain, Madrid | 2024-11-23 | 2024-11-23 | 2024 | 1 | |
| City Lights Theater Company | City Lights Theater Company | United States of America, San Jose, 529 S Second St | 2013-03-21 | 2024-02-18 | 2013–2024 | 2 | |
| Canberra Theatre Centre | Canberra Theatre Centre | Australia, Canberra, Civic Square, London Circuit | 1970-05-14 | 2007-05-26 | 1970–2007 | 4 | |
| Covent Garden Festival | Covent Garden Festival | England, London | 1990-09- | -- | 1990 | 1 | |
| Casa de Cultura de Villava | Casa de Cultura de Villava | Spain, Villava, C. Mayor, 38 | 2009-03-29 | 2010-09-29 | 2009 | 1 | |
| Cultuurcentrum MUZE | Cultuurcentrum MUZE | Belgium, Heusden-Zolder, Dekenstraat 40 | 2007-12-20 | -- | 2007 | 1 | |
| College of Charleston Department of Theatre and Dance, The | The College of Charleston Department of Theatre and Dance | United States of America, Charleston, 66 George St | 2018-02-22 | 2018-02-26 | 2018 | 1 | |
| Chan Auditorium, University of Alabama | Chan Auditorium, University of Alabama | United States of America, Huntsville, University Circle | 2008-10-22 | 2008-10-26 | 2008 | 1 | |
| Chikwawa | Chikwawa | Malawi, Chikwawa | 2006-05-20 | -- | 2006 | 1 | |
| Casino Llanes | Casino Llanes | Spain, Llanes, Calle Castillo, 3 | 2017-04-21 | -- | 2017 | 1 | |
| Cultuurcentrum Casino Houthalen-Helchteren | Cultuurcentrum Casino Houthalen-Helchteren | Belgium, Houthalen-Helchteren, Varenstraat 22a | 2000-11-16 | 2000-11-16 | 2000 | 1 | |
| CC Ter Vesten | CC Ter Vesten | Belgium, Beveren, Gravenplein 2 | 1998-12-03 | 2008-01-15 | 1998–2008 | 2 | |
| Centro Cultural Paco Rabal | Centro Cultural Paco Rabal | Spain, Madrid, Calle Felipe de Diego, 13 | 2017-03-11 | -- | 2017 | 1 | |
| Cramphorn Theatre | Cramphorn Theatre | England, Chelmsford, Essex, Fairfield Rd | 1993-05-18 | 1993-10-23 | 1993 | 1 | |
| Commercial Club Assembly Hall | Commercial Club Assembly Hall | United States of America, Hood River | 1910-09-14 | 1910-09-14 | 1910 | 1 | |
| 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 | |
| Centre de culture ABC | Centre de culture ABC | Switzerland, La Chaux-de-Fonds, Rue du Coq 11 | 2018-11-22 | 2018-11-25 | 2018 | 1 | |
| Cowshed Theatre | Cowshed Theatre | Australia, Townsville, 101 Angus Smith Drive, James Cook University | 1995-09-21 | 1995-09-30 | 1995 | 1 | |
| Christchurch Studio Theatre | Christchurch Studio Theatre | England, London | 1951-03-06 | 1951-03-11 | 1951 | 1 | |
| Cagliari | Cagliari | Italy, Cagliari | 1893-03-21 | -- | 1893–1903 | 2 | |
| Comédie de Béthune, La | La Comédie de Béthune | France, Béthune, 138 Rue du 11 Novembre | 2010-11-30 | 2010-12-10 | 2010 | 1 | |
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