| Copaken Stage | Copaken Stage | United States of America, Kansas City, KCMO | 2011-04-22 | 2011-05-22 | 2011 | 1 | |
| Cool | Cool | Netherlands, Heerhugowaard, Coolplein 1 | 2009-11-13 | -- | 2009 | 1 | |
| Contact Theatre | Contact Theatre | England, Manchester, Oxford Rd, Manchester M15 6JA, United Kingdom | 2024-04-02 | 2024-04-06 | 2024 | 1 | |
| Constanţa | Constanţa | Romania, Constanţa | 1908-03- | -- | 1908 | 1 | |
| Conservatório Nacional de Teatro | Conservatório Nacional de Teatro | Portugal, Lisbon | 1928-03-20 | -- | 1928 | 3 | |
| Conservatoire Gabriel Fauré | Conservatoire Gabriel Fauré | France, Paris, 12 Rue de Pontoise | 2004-10-04 | -- | 2004 | 1 | |
| Connelly Theatre | Connelly Theatre | United States of America, New York, 220 E 4th St | 2008-09-03 | 2008-09-20 | 2008 | 1 | |
| Connecticut | Connecticut | United States of America, Connecticut | 1998-- | 1998-- | 1998 | 1 | |
| Connaught Theatre | Connaught Theatre | England, Worthing, West Sussex, 3 Union Place | 1994-03-08 | 2014-09-25 | 1994–2014 | 3 | |
| Congress-Centrum Stadtgarten | Congress-Centrum Stadtgarten | Germany, Schwäbisch Gmünd, Rektor-Klaus-Straße 9, | 2012-04-19 | -- | 2012 | 1 | |
| Concordia University Theatre | Concordia University Theatre | United States of America, Irvine | 1998-10-30 | -- | 1998 | 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 College | Concordia College | United States of America, Moorhead, 901 8th St. S. | 1997-02-13 | 1997-02-16 | 1997 | 1 | |
| Concord Main Stage | Concord Main Stage | United States of America, Concord, 1975 Diamond Blvd | 2012-07-23 | 2012-08-18 | 2012 | 1 | |
| Concertgebouw | Concertgebouw | Netherlands, Zierikzee | 1989-02-25 | 1989-04-02 | 1989 | 1 | |
| Comwell Hankø Hotell og Spa | Comwell Hankø Hotell og Spa | Norway, Gressvik, Vikaneveien 405 | 2006-08-11 | -- | 2006–2007 | 2 | |
| Comunale, Teatro | Teatro Comunale | Italy, Castelfranco Piandiscò, Via Roma, 36 | 2017-02-21 | -- | 2017 | 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 Russolo, Teatro | Teatro Comunale Russolo | Italy, Portogruaro, Via Silvio Pellico | 2018-01-24 | -- | 2018 | 1 | |
| Comprehensive School | Comprehensive School | Ireland, Glenties | 1980-03-21 | 1980-03-22 | 1980 | 1 | |
| Complesso industriale ex-Minganti | Complesso industriale ex-Minganti | Italy, Bologna | 2001-10-18 | 2001-10-29 | 2001 | 1 | |
| Compass Theatre | Compass Theatre | England, Ickenham, Middlesex, Glebe Ave, Uxbridge | 2007-02-14 | 2007-02-17 | 2007 | 1 | |
| Company OnStage | Company OnStage | United States of America, Houston, 536 Westbury Square | 2005-01-14 | 2012-02-18 | 2005–2012 | 2 | |
| Compania Mărioara Voiculescu-Bulandra | Compania Mărioara Voiculescu-Bulandra | Romania, Bucharest | 1916-01-13 | -- | 1916 | 1 | |
| Compania Mărioara Voiculescu | Compania Mărioara Voiculescu | Romania, București | 1924-12-21 | 1925-01-07 | 1924 | 1 | |
| Compania Excelsior | Compania Excelsior | Romania, Bucharest | 1920-- | -- | 1920 | 1 | |
| Compania Dramatică Bulandra | Compania Dramatică Bulandra | Romania, Bucharest | 1921-04- | -- | 1921–1922 | 2 | |
| Compagnietheater | Compagnietheater | Netherlands, Amsterdam, Kloveniersburgwal 50 | 2008-01-22 | 2008-03-28 | 2008 | 1 | |
| Compagnia Drammatica citta di Roma | Compagnia Drammatica citta di Roma | Italy, Milan | -- | -- | | | |
| Comoedienhaus Wilhelmsbad | Comoedienhaus Wilhelmsbad | Germany, Hanau, Parkpromenade 1 | 2007-03-24 | 2007-03-26 | 2007 | 1 | |
| Como | Como | Italy, Como | 1894-04-07 | -- | 1894 | 1 | |
| Community Hall | Community Hall | Malawi, Kasungu | 2006-05-27 | -- | 2006 | 1 | |
| Community Concert Hall, Fort Lewis College | Community Concert Hall, Fort Lewis College | United States of America, Durango, 1000 Rim Dr | -- | -- | | | |
| Community College Hall | Community College Hall | Ireland, Co Clare, Scariff | 2007-03-24 | -- | 2007 | 1 | |
| Community Centre, Rathangan, The | The Community Centre, Rathangan | Ireland, Co. Kildare | 2007-03-28 | -- | 2007 | 1 | |
| Community Center Theatre | Community Center Theatre | United States of America, New York | 1947-05-19 | 1947-05-22 | 1947 | 1 | |
| Community Arts Centre | Community Arts Centre | Ireland, Mountmellick | 2007-03-21 | -- | 2007 | 1 | |
| Communication University of China | Communication University of China | China, Beijing, 1 Dingfuzhuang E St, Chaoyang Qu, Beijing Shi, China | 2016-05-26 | -- | 2016 | 1 | |
| Commonweal Theatre | Commonweal Theatre | United States of America, Lanesboro, 208 Parkway Avenue North | 2000-02-11 | 2017-06-17 | 2000–2017 | 15 | |
| Commercial Club Assembly Hall | Commercial Club Assembly Hall | United States of America, Hood River | 1910-09-14 | 1910-09-14 | 1910 | 1 | |
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