| Manzoni, Teatro | Teatro Manzoni | Italy, Pistoia | 1974-10-26 | 2021-12-12 | 1974–2021 | 8 | |
| Mercedes Cotner Park | Mercedes Cotner Park | United States of America, Cleveland, West 95th Street and Maywood Avenue | 2011-08-04 | -- | 2011 | 1 | |
| McLeod Theater, Southern Illinois University | McLeod Theater, Southern Illinois University | United States of America, Carbondale, 1100 Lincoln Dr | 1960-02-19 | 2003-12-07 | 1960–2003 | 4 | |
| Mulitz-Gudelsky Theatre Lab | Mulitz-Gudelsky Theatre Lab | United States of America, Olney, 2001 Olney Sandy Spring Rd | 2006-06-20 | 2006-08-27 | 2006 | 2 | |
| Mexico | Mexico | Mexico, Mexico | 1930-06- | -- | 1930–1974 | 3 | |
| Moser Theatre, Wadham College | Moser Theatre, Wadham College | England, Oxford, Parks Rd | 2005-11-15 | 2005-11-19 | 2005 | 1 | |
| Moskóvskiy dramatícheskiy teátr imeni Marii Nikolayevny Yermólovoy | Moskóvskiy dramatícheskiy teátr imeni Marii Nikolayevny Yermólovoy (The Yermolova Theatre) | Russia, Moscow, Tverskaya ulitsa, 5/6 | 2022-09-16 | 2022-10-23 | 2022 | 1 | |
| Macauleys Theater | Macauleys Theater | United States of America, Louisville, 315 W Broadway | 1883-12-07 | 1906-12-29 | 1883–1906 | 3 | |
| Markt, Theater am | Theater am Markt | Germany, Eisenach, Goldschmiedenstraße 12 | 2018-11-24 | 2019-03-02 | 2018 | 1 | |
| Mărculeşti | Mărculeşti | Romania, Mărculeşti | -- | -- | | | |
| Mátray Béla Társulata | Mátray Béla Társulata | Romania, Arad | -- | -- | | | |
| Minot Public School | Minot Public School | United States of America, Minot, 215 2nd St SE | 2006-10-13 | -- | 2006 | 1 | |
| Mito | Mito | Japan, Mito | -- | -- | | | |
| Maison de la Culture de Tournai | Maison de la Culture de Tournai | Belgium, Tournai, Avenue des Frères Rimbaut 2 | 1996-02-27 | 1996-02-28 | 1996–2004 | 2 | |
| Mozarts Plads | Mozarts Plads | Denmark, Hillerød, Kongens Vrænge 2 | 2014-08-29 | 2014-08-31 | 2014 | 1 | |
| Malvern Theatre | Malvern Theatre | England, Malvern, Worcestershire, Grange Road | 1930-06-23 | 1930-06-25 | 1930 | 1 | |
| Mesterfjellet ungdomsskole | Mesterfjellet ungdomsskole | Norway, Larvik, Kristian Fredriks vei 3 | 2007-02-08 | -- | 2007 | 1 | |
| Miller Center for the Arts, Reading Area Community College | Miller Center for the Arts, Reading Area Community College | United States of America, Reading, 4 N 2nd S | 2009-11-12 | -- | 2009 | 1 | |
| Millfield Theatre | Millfield Theatre | England, London, Silver Street, Edmonton | 2011-06-07 | 2014-01-25 | 2011–2014 | 2 | |
| Machinefabriek, Theater de | Theater de Machinefabriek | Netherlands, Groningen, Bloemstraat 38 | 2013-04-07 | 2016-05-14 | 2013–2016 | 3 | |
| Mitropolia Moldovei si Bucovinei | Mitropolia Moldovei si Bucovinei | Romania, Iasi, Bulevardul Ștefan cel Mare și Sfânt 16 | 2006-06-11 | -- | 2006 | 1 | |
| Mundford Village Hall | Mundford Village Hall | England, Mundford Thetford Norfolk, St Leonards Street | 2007-12-04 | -- | 2007 | 1 | |
| Mains d'Œuvres | Mains d'Œuvres | France, Saint-Ouen, 1 Rue Charles Garnier | 2016-10-04 | 2016-10-09 | 2016 | 1 | |
| Malmö Teater | Malmö Teater | Sweden, Malmö | 1872-02-01 | 1928-04-16 | 1872–1936 | 23 | |
| Marion | Marion | United States of America, Marion | 1903-12-07 | 1903-12-07 | 1903 | 1 | |
| Mandel Hall, University Of Chicago | Mandel Hall, University Of Chicago | United States of America, Chicago, 1131 East 57th Street | 1920-02-16 | 1981-02-22 | 1920–1981 | 2 | |
| Monnot Theater | Monnot Theater | Lebanon, Beirut, Yessouiyeh Street | 2013-01-10 | 2013-01-13 | 2013 | 1 | |
| Mendocino Theatre Company | Mendocino Theatre Company | United States of America, Mendocino, 45200 Little Lake St, CA 95460 | 2019-09-19 | 2019-10-20 | 2019 | 1 | |
| Museum of Contemporary Art | Museum of Contemporary Art | United States of America, North Adams, 87 Marshall Street | 2006-04-07 | -- | 2006 | 1 | |
| Museum of the Rockies | Museum of the Rockies | United States of America, Montana, 600 West Kagy Blvd Bozeman | 2019-10-10 | 2019-10-20 | 2019 | 1 | |
| Menotti, Teatro | Teatro Menotti | Italy, Milano, Via Ciro Menotti, 11 | 2018-03-01 | 2018-03-11 | 2018 | 1 | |
| McVicker’s Theater | McVicker’s Theater | United States of America, Chicago, 25 W. Madison Street | 1896-03-30 | 1903-06-05 | 1896–1907 | 5 | |
| Melbourne | Melbourne | Australia, Melbourne | -- | -- | | | |
| Mezinárodní divadelni festival | Mezinárodní divadelni festival | Czech Republic, Český Těsín | 2005-05-13 | -- | 2005 | 1 | |
| Moskovskii gastrolnyj teatr | Moskovskii gastrolnyj teatr | Russia, Moscow | 1957-- | -- | 1957 | 1 | |
| Middelburg | Middelburg | Netherlands, Middelburg | -- | -- | | | |
| Maverick Theatre | Maverick Theatre | United States of America, Woodstock, 120 Maverick Rd | 1934-08-09 | 1937-07-25 | 1934–1937 | 2 | |
| Mosjøen Kulturhus | Mosjøen Kulturhus | Norway, Mosjøen, Smågan 2 | 2009-04-28 | -- | 2009–2018 | 3 | |
| MainStage | MainStage | United States of America, Chicago, 1616 N Wells St | 2011-01-27 | 2011-02-20 | 2011 | 1 | |
| Magyar Területi Színház (MATESZ) | Magyar Területi Színház (MATESZ) | Slovak Republic, Komárno | 1970-01-29 | -- | 1970 | 1 | |
| Mezinárodní festival Divadlo | Mezinárodní festival Divadlo | Czech Republic, Plzeň, Pražská 19 | 2007-09-20 | -- | 2007 | 1 | |
| Montwhite | Montwhite | United States of America, Burlington | 1909-04-26 | 1909-04-26 | 1909 | 1 | |
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