| Maison des Arts et des Congrès | Maison des Arts et des Congrès | France, Niederbronn-Les-Bains, 42 Avenue Foch | 2000-01-15 | -- | 2000 | 1 | |
| Médian, Le | Le Médian | France, Saint-Quentin-Fallavier, rue de Tharabie | 2012-03-28 | -- | 2012 | 1 | |
| McLeod Theater, Southern Illinois University | McLeod Theater, Southern Illinois University | United States, Carbondale, 1100 Lincoln Dr | 1960-02-19 | 2003-12-07 | 1960–2003 | 4 | |
| Møvig skole | Møvig skole | Norway, Kristiansand, Kristiansand | 2006-10-23 | -- | 2006 | 1 | |
| Moscow Academic Mayakovsky Theatre | Moscow Academic Mayakovsky Theatre | Russia, Moscow, Bolshaya Nikitskaya Street, 19/13 | 2013-04-27 | -- | 2013 | 1 | |
| Mzuzu University | Mzuzu University | Malawi, Mzuzu | 2006-06-03 | -- | 2006 | 1 | |
| Mexico | Mexico | Mexico, Mexico | 1930-06- | -- | 1930–1974 | 3 | |
| Musikteatret Vejle | Musikteatret Vejle | Denmark, Vejle, Vedelsgade 25 | 2002-11-05 | -- | 2002–2018 | 5 | |
| Mulitz-Gudelsky Theatre Lab | Mulitz-Gudelsky Theatre Lab | United States, Olney, 2001 Olney Sandy Spring Rd | 2006-06-20 | 2006-08-27 | 2006 | 2 | |
| Miskolci Nemzeti Színház | Miskolci Nemzeti Színház | Hungary, Miskolc, | 1978-03-03 | -- | 1978–1990 | 3 | |
| Magyar Területi Színház (MATESZ) | Magyar Területi Színház (MATESZ) | Slovak Republic, Komárno | 1970-01-29 | -- | 1970 | 1 | |
| McCarter Theatre | McCarter Theatre | United States, Princeton, 91 University Place | 1973-03-29 | 1996-05-26 | 1973–1996 | 3 | |
| Merrimack Repertory Theatre | Merrimack Repertory Theatre | United States, Lowell, 50 E Merrimack St | 1991-03-20 | 1991-04-06 | 1991 | 1 | |
| Margaret Theatre | Margaret Theatre | United States, Anaconda | 1905-12-07 | 1905-12-07 | 1905 | 1 | |
| Main Stage Theatre | Main Stage Theatre | United States, Addison, 15650 Addison Rd | 2018-10-12 | 2018-11-04 | 2018 | 1 | |
| Mărăşeşti | Mărăşeşti | Romania, Mărăşeşti | -- | -- | | | |
| Maltings Arts Centre | Maltings Arts Centre | England, St Albans, Hertfordshire, The Maltings | 1993-09-24 | -- | 1993 | 1 | |
| Myar Opera House | Myar Opera House | United States, El Paso | 1903-12-10 | 1903-12-10 | 1903 | 1 | |
| Mellösagården | Mellösagården | Sweden, Mellösa, Lyckebovägen 3-1 | 2019-09-14 | 2019-09-14 | 2019 | 1 | |
| Master Institute Theatre | Master Institute Theatre | United States, New York | 1947-04-26 | 1947-05-02 | 1947 | 1 | |
| Manchester Opera House | Manchester Opera House | England, Manchester, 3 Quay Street | 1964-10-19 | -- | 1964 | 1 | |
| Mitropolia Moldovei si Bucovinei | Mitropolia Moldovei si Bucovinei | Romania, Iasi, Bulevardul Ștefan cel Mare și Sfânt 16 | 2006-06-11 | -- | 2006 | 1 | |
| Marker Ungdomskole | Marker Ungdomskole | Norway, Marker, Marker | 2005-11-23 | -- | 2005 | 1 | |
| Marienwerder | Marienwerder | Poland, Kwidzyn | 1878-- | -- | 1878 | 1 | |
| M.M.T. | M.M.T. | Belgium, Mechelen | 2002-05-26 | -- | 2002 | 1 | |
| Municipal Regional Theatre (DIPETHE) of Ioannina | Municipal Regional Theatre (DIPETHE) of Ioannina | Greece, Ioannina, Papazoglou 5 | 2020-03- | 2020-03- | 2020 | 1 | |
| Mandel Hall, University Of Chicago | Mandel Hall, University Of Chicago | United States, Chicago, 1131 East 57th Street | 1920-02-16 | 1981-02-22 | 1920–1981 | 2 | |
| Michailov Teatr | Michailov Teatr | Russia, St. Petersburg | 1897-09-24 | -- | 1897 | 1 | |
| Mundford Village Hall | Mundford Village Hall | England, Mundford Thetford Norfolk, St Leonards Street | 2007-12-04 | -- | 2007 | 1 | |
| Mansfield | Mansfield | United States, Mansfield | 1903-10-23 | 1903-10-23 | 1903 | 1 | |
| Midtown Art Center | Midtown Art Center | United States, Houston, 3414 La Branch St | 2002-02-01 | 2002-02-23 | 2002 | 1 | |
| Magyar Színház | Magyar Színház | Hungary, Budapest, Hevesi Sándor tér 4 | 1917-06-02 | 1925-06-19 | 1917–1930 | 6 | |
| Mátészalka | Mátészalka | Hungary, Mátészalka | 1925-07-16 | -- | 1925–1941 | 2 | |
| Mĕstské divadlo Kladno | Mĕstské divadlo Kladno | Czech Republic, Kladno, Divadelní 1702 | 1957-09-27 | -- | 1957 | 1 | |
| MC2 - Maison de la Culture de Grenoble | MC2 - Maison de la Culture de Grenoble | France, Grenoble, 4 Rue Paul Claudel | 2014-02-05 | 2019-03-15 | 2014–2019 | 3 | |
| McVicker’s Theater | McVicker’s Theater | United States, Chicago, 25 W. Madison Street | 1896-03-30 | 1903-06-05 | 1896–1907 | 5 | |
| Mercury Theatre Colchester | Mercury Theatre Colchester | England, Colchester, Essex, Balkerne Gate | 2009-11-05 | 2009-11-21 | 2009 | 1 | |
| Montwhite | Montwhite | United States, Burlington | 1909-04-26 | 1909-04-26 | 1909 | 1 | |
| Mascheranova, Teatro | Teatro Mascheranova | Italy, Pontecagnano Faiano, Via Isonzo, 6-10 | 2018-02-17 | 2018-03-11 | 2018 | 1 | |
| Madách Színház | Madách Színház | Hungary, Budapest, Erzsébet krt. 29-33 | 1943-04-30 | -- | 1943–1971 | 2 | |
| Meteleu(Scutelnici) | Meteleu (Scutelnici) | Romania, Meteleu(Scutelnici) | -- | -- | | | |
| Marxzell | Marxzell | Germany, Marxzell | -- | -- | | | |
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