| Copaken Stage | Copaken Stage | United States of America, Kansas City, KCMO | 2011-04-22 | 2011-05-22 | 2011 | 1 | |
| Copenhagen | Copenhagen | Denmark, Copenhagen | 2014-06-13 | 2015-11-19 | 2014–2016 | 15 | |
| Copley Theatre | Copley Theatre | United States of America, Boston, 225 Clarendon St | 1917-04-16 | -- | 1917 | 1 | |
| Corabia | Corabia | Romania, Corabia | -- | -- | | | |
| Cordes Hall | Cordes Hall | England, Sunninghill, 2 High Street | 2002-05-09 | 2002-05-18 | 2002 | 1 | |
| Cordoba | Cordoba | Argentina, Cordoba | -- | -- | | | |
| Corinthian Theatre | Corinthian Theatre | India, Kolkata, West Bengal | 1891-12-26 | -- | 1891 | 1 | |
| Cornell University Theatre | Cornell University Theatre | United States of America, Ithaca, 430 College Avenue | 1909-04-02 | 1971-03-13 | 1909–1974 | 8 | |
| Cornerstone Arts Centre | Cornerstone Arts Centre | England, Didcot, 25 Station Road | 2014-10-04 | 2014-10-04 | 2014–2018 | 3 | |
| Cornouaille, Théâtre de | Théâtre de Cornouaille | France, Quimper, 1 Esplanade François Mitterrand | 2013-05-29 | 2018-11-09 | 2013–2018 | 3 | |
| Coronet Theatre, The | The Coronet Theatre | England, London, 103 Notting Hill Gate | 2022-02-24 | 2024-11-02 | 2022–2024 | 2 | |
| Corporación Cultural de Lo Barnechea | Corporación Cultural de Lo Barnechea | Chile, Lo Barnechea, Av. El Tranque 10300 | 2011-12- | -- | 2011 | 1 | |
| Corrosia | Corrosia | Netherlands, Almere, Markt 43 | 2016-03-22 | -- | 2016–2017 | 2 | |
| Cort Theatre | Cort Theatre | United States of America, New York, 138 W 48th St | 1948-02-16 | 1948-03-06 | 1948 | 2 | |
| Cortona | Cortona | Italy, Cortona | -- | -- | | | |
| Costa Rica | Costa Rica | Costa Rica | 2011-03-05 | 2011-03-10 | 2011 | 1 | |
| Coteana | Coteana | Romania, Coteana | -- | -- | | | |
| Cotswold Playhouse | Cotswold Playhouse | England, Stroud, Gloucestershire, Parliament St | 2012-11-09 | 2012-11-17 | 2012 | 1 | |
| Cottesloe Theatre | Cottesloe Theatre | England, London, Stage Door Avenue | 1987-05-06 | 2009-04-29 | 1987–2009 | 2 | |
| Country Club York | Country Club York | United States of America, York | 1914-11-13 | 1914-11-13 | 1914 | 1 | |
| Coupe d’Or, théâtre de la | Théâtre de la Coupe d’Or | France, Rochefort, 101 Rue de la République | 2000-01-29 | 2018-04-05 | 2000–2018 | 2 | |
| Coupole de Saint-Louis, Théâtre la | Théâtre la Coupole de Saint-Louis | France, Saint-Louis, 2 Croisée des Lys | 2001-05-02 | -- | 2001 | 1 | |
| Cour d'Honneur du Palais des Papes | Cour d'Honneur du Palais des Papes | France, Avignon, Place du Palais des papes | 2004-07-16 | 2004-07-25 | 2004 | 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 | |
| Cour du Lycee Saint-Joseph | Cour du Lycee Saint-Joseph | France, Avignon, 62 Rue des Lices | 2017-07-15 | 2017-07-20 | 2017 | 1 | |
| Coursive, La (Grand Théâtre) | La Coursive (Grand Théâtre) | France, La Rochelle, 4 Rue St Jean du Pérot | 2008-11-06 | 2019-04-10 | 2008–2019 | 3 | |
| Court House Theatre | Court House Theatre | Canada, Niagara-on-the-Lake, 26 Queen Street | 1974-06-27 | 2012-09-29 | 1974–2012 | 5 | |
| Court House, The | The Court House | England, Eastleigh, Leigh Road | 2015-01-08 | 2015-01-10 | 2015 | 1 | |
| Court Theatre | Court Theatre | United States of America, Chicago, 5535 South Ellis Avenue | 1981-01-15 | 2022-03-27 | 1981–2022 | 6 | |
| Courtyard Theatre | Courtyard Theatre | England, Hereford, Edgar Street | 1999-07-16 | -- | 1999–2018 | 3 | |
| Courtyard Theatre, The | The Courtyard Theatre | England, London, Bowling Green Walk, 40 Pitfield St, | 2013-01-09 | 2013-01-20 | 2013 | 1 | |
| Covent Garden Festival | Covent Garden Festival | England, London | 1990-09- | -- | 1990 | 1 | |
| Coventry | Coventry | England, Coventry | -- | -- | | | |
| Cowshed Theatre | Cowshed Theatre | Australia, Townsville, 101 Angus Smith Drive, James Cook University | 1995-09-21 | 1995-09-30 | 1995 | 1 | |
| Coye la Forêt, Centre Culturel de | Centre Culturel de Coye la Forêt | France, Coye-la-Forêt, 21 Rue d'Hérivaux | 1985-05-11 | 1997-05-24 | 1985–1997 | 3 | |
| Cozia | Cozia | Romania, Cozia | -- | -- | | | |
| CP Beato Carlo Steeb | CP Beato Carlo Steeb | Italy, Verona, Via Augusto Caperle, 11, Verona, VR, Italy | 2022-11-18 | -- | 2022–2023 | 2 | |
| Crafton-Preyer Theatre | Crafton-Preyer Theatre | United States of America, Lawrence, KS, 1530 Naismith Dr, | 2000-03-03 | 2015-11-22 | 2000–2015 | 2 | |
| Craiova | Craiova | Romania, Craiova | 1907-- | -- | 1907 | 1 | |
| Cramphorn Theatre | Cramphorn Theatre | England, Chelmsford, Essex, Fairfield Rd | 1993-05-18 | 1993-10-23 | 1993 | 1 | |
| Crawford Theatre | Crawford Theatre | United States of America, Wichita | 1903-05-23 | 1903-05-23 | 1903 | 1 | |
| Crawfordsville | Crawfordsville | United States of America, Crawfordsville | 1903-10-30 | 1903-10-30 | 1903 | 1 | |
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