| Comprehensive School | Comprehensive School | Ireland, Glenties | 1980-03-21 | 1980-03-22 | 1980 | 1 | |
| Comunale Russolo, Teatro | Teatro Comunale Russolo | Italy, Portogruaro, Via Silvio Pellico | 2018-01-24 | -- | 2018 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Treviso, Corso del Popolo, 31 | 2018-02-23 | 2018-02-25 | 2018 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Cormons, Via Nazario Sauro, 17 | 2017-01-24 | -- | 2017 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Thiene, Viale Francesco Bassani, 28 | 2018-02-20 | 2018-02-22 | 2018 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Castelfranco Piandiscò, Via Roma, 36 | 2017-02-21 | -- | 2017 | 1 | |
| Comwell Hankø Hotell og Spa | Comwell Hankø Hotell og Spa | Norway, Gressvik, Vikaneveien 405 | 2006-08-11 | -- | 2006–2007 | 2 | |
| Concertgebouw | Concertgebouw | Netherlands, Zierikzee | 1989-02-25 | 1989-04-02 | 1989 | 1 | |
| Concord Main Stage | Concord Main Stage | United States of America, Concord, 1975 Diamond Blvd | 2012-07-23 | 2012-08-18 | 2012 | 1 | |
| Concordia College | Concordia College | United States of America, Moorhead, 901 8th St. S. | 1997-02-13 | 1997-02-16 | 1997 | 1 | |
| Concordia University Texas (School of Fine Arts) | Concordia University Texas (School of Fine Arts) | United States of America, Office C-206 | 512.313.5410 11400 Concordia University Dr. Austin, TX 78726 | 2016-11-04 | 2016-11-14 | 2016 | 1 | |
| Concordia University Theatre | Concordia University Theatre | United States of America, Irvine | 1998-10-30 | -- | 1998 | 1 | |
| Congress-Centrum Stadtgarten | Congress-Centrum Stadtgarten | Germany, Schwäbisch Gmünd, Rektor-Klaus-Straße 9, | 2012-04-19 | -- | 2012 | 1 | |
| Connaught Theatre | Connaught Theatre | England, Worthing, West Sussex, 3 Union Place | 1994-03-08 | 2014-09-25 | 1994–2014 | 3 | |
| Connecticut | Connecticut | United States of America, Connecticut | 1998-- | 1998-- | 1998 | 1 | |
| Connelly Theatre | Connelly Theatre | United States of America, New York, 220 E 4th St | 2008-09-03 | 2008-09-20 | 2008 | 1 | |
| Conservatoire Gabriel Fauré | Conservatoire Gabriel Fauré | France, Paris, 12 Rue de Pontoise | 2004-10-04 | -- | 2004 | 1 | |
| Conservatório Nacional de Teatro | Conservatório Nacional de Teatro | Portugal, Lisbon | 1928-03-20 | -- | 1928 | 3 | |
| Constanţa | Constanţa | Romania, Constanţa | 1908-03- | -- | 1908 | 1 | |
| Contact Theatre | Contact Theatre | England, Manchester, Oxford Rd, Manchester M15 6JA, United Kingdom | 2024-04-02 | 2024-04-06 | 2024 | 1 | |
| Cool | Cool | Netherlands, Heerhugowaard, Coolplein 1 | 2009-11-13 | -- | 2009 | 1 | |
| 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, Berkshire, 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 | 2022-04-02 | 2022 | 1 | |
| 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 | |
|
|
