| City Stage Theatre | City Stage Theatre | United States of America, Kansas City, 30 W Pershing Rd | 2019-08-07 | 2019-08-25 | 2019 | 1 | |
| Clark Theatre, Dillingham Center | Clark Theatre, Dillingham Center | United States of America, Ithaca, 953 Danby Rd | 2007-10-02 | 2007-10-07 | 2007 | 1 | |
| Cornell University Theatre | Cornell University Theatre | United States of America, Ithaca, 430 College Avenue | 1909-04-02 | 1971-03-13 | 1909–1974 | 8 | |
| Concordia University Theatre | Concordia University Theatre | United States of America, Irvine | 1998-10-30 | -- | 1998 | 1 | |
| City Theatre of Independence | City Theatre of Independence | United States of America, Independence, 201 N Dodgion St | 1988-05-19 | 2003-02-02 | 1988–2003 | 2 | |
| 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 | |
| Columbia-Greene Community College | Columbia-Greene Community College | United States of America, Hudson, 4400 NY-23 | 2017-11-10 | 2017-11-12 | 2017 | 1 | |
| Company OnStage | Company OnStage | United States of America, Houston, 536 Westbury Square | 2005-01-14 | 2012-02-18 | 2005–2012 | 2 | |
| Chelsea Market Theatre | Chelsea Market Theatre | United States of America, Houston, 4617 Montrose Blvd. | 2018-02-07 | 2018-02-25 | 2018 | 1 | |
| Classical Theatre Company | Classical Theatre Company | United States of America, Houston, 4617 Montrose Blvd | 2016-02-03 | 2016-02-21 | 2016 | 1 | |
| Cullen Theater, Wortham Theater Center | Cullen Theater, Wortham Theater Center | United States of America, Houston | 1991-05-22 | 2015-04-04 | 1991–2015 | 2 | |
| Commercial Club Assembly Hall | Commercial Club Assembly Hall | United States of America, Hood River | 1910-09-14 | 1910-09-14 | 1910 | 1 | |
| Colgate University Theater | Colgate University Theater | United States of America, Hamilton, 13 Oak Drive | 1981-04-22 | 1981-04-25 | 1981 | 1 | |
| Curtain Players Theatre | Curtain Players Theatre | United States of America, Galena, 5691 Harlem Rd | 2010-03-05 | 2010-03-21 | 2010 | 1 | |
| Center Players | Center Players | United States of America, Freehold, 35 South Street | 2015-07-10 | 2015-08-09 | 2015 | 1 | |
| City Opera House | City Opera House | United States of America, Frederick | 1904-04-19 | 1912-02-16 | 1904–1912 | 2 | |
| Chapel Hall | Chapel Hall | United States of America, Franklin, 25 Institute Street | 2006-07-05 | 2006-07-23 | 2006 | 1 | |
| Capital Theatre | Capital Theatre | United States of America, Frankfort, 213 W Main Street | 1903-12-08 | -- | 1903 | 1 | |
| Colden Center, Queens College of The City University of New York | Colden Center, Queens College of The City University of New York | United States of America, Flushing, 65-30 Kissena Boulevard | 1963-07-19 | 1963-07-27 | 1963 | 1 | |
| Clifford E. White Theater, The | The Clifford E. White Theater | United States of America, Flagstaff, 1115 S Knoles Dr | 2022-10-20 | 2022-10-23 | 2022 | 1 | |
| Community Concert Hall, Fort Lewis College | Community Concert Hall, Fort Lewis College | United States of America, Durango, 1000 Rim Dr | -- | -- | | | |
| Central City Opera House | Central City Opera House | United States of America, Denver, 124 Eureka Street, Central City | 1937-07-17 | 1937-08-07 | 1937 | 1 | |
| Chappelear Drama Center | Chappelear Drama Center | United States of America, Delaware, 45 Rowland Ave. | 2016-10-06 | 2016-10-09 | 2016 | 1 | |
| Crookston town Square | Crookston town Square | United States of America, Crookston | 2019-06-07 | 2019-06-08 | 2019 | 1 | |
| Crescent City Cultural Center | Crescent City Cultural Center | United States of America, Crescent City, 1001 Front St | 2005-12-04 | -- | 2005 | 1 | |
| Crawfordsville | Crawfordsville | United States of America, Crawfordsville | 1903-10-30 | 1903-10-30 | 1903 | 1 | |
| Cabe Theatre Arts Center, Hendrix College | Cabe Theatre Arts Center, Hendrix College | United States of America, Conway, Washington Ave | 2004-02-25 | 2004-02-28 | 2004 | 1 | |
| Colonial Theatre | Colonial Theatre | United States of America, Connellsville | 1904-04-21 | 1904-04-21 | 1904 | 1 | |
| Connecticut | Connecticut | United States of America, Connecticut | 1998-- | 1998-- | 1998 | 1 | |
| Concord Main Stage | Concord Main Stage | United States of America, Concord, 1975 Diamond Blvd | 2012-07-23 | 2012-08-18 | 2012 | 1 | |
| Columbus | Columbus | United States of America, Columbus | 1903-10-19 | 1903-10-19 | 1903 | 1 | |
| Coldwater | Coldwater | United States of America, Coldwater | 1903-12-02 | 1903-12-02 | 1903 | 1 | |
| Cohoes | Cohoes | United States of America, Cohoes | 1903-10-03 | 1903-10-03 | 1903 | 1 | |
| Cloquet | Cloquet | United States of America, Cloquet | -- | -- | | | |
| Colonial Theatre | Colonial Theatre | United States of America, Cleveland, 755 Superior Avenue E | 1904-01-20 | 1904-01-23 | 1904–1908 | 2 | |
| Cleveland Play House | Cleveland Play House | United States of America, Cleveland, 1901 E 13th St | 1922-02-10 | 1922-02-19 | 1922–1926 | 2 | |
| Cain Park Theatre | Cain Park Theatre | United States of America, Cleveland Heights, Cleveland, 1823 Lee Rd | 1939-08-17 | 1939-08-19 | 1939 | 1 | |
| Charter Chroniclers of Chronicle House, The | The Charter Chroniclers of Chronicle House | United States of America, Cleveland | 1923-04-02 | -- | 1923 | 2 | |
| Charles S. Brooks Theatre | Charles S. Brooks Theatre | United States of America, Cleveland | 1936-04-28 | 1962-10-13 | 1936–1962 | 2 | |
| Cole Auditorium | Cole Auditorium (Fine Arts Building) | United States of America, Clarkston, GA 30021, 3759-3773 Memorial College Ave | 2025-02-28 | 2025-05-09 | 2025 | 1 | |
| Clarksburg | Clarksburg | United States of America, Clarksburg | 1903-11-25 | 1903-11-25 | 1903 | 1 | |
| Cincinnati Playhouse in the Park | Cincinnati Playhouse in the Park | United States of America, Cincinnati, Mount Adams Circle | 1965-04-07 | -- | 1965 | 1 | |
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