| Mary Moody Northen Theatre | Mary Moody Northen Theatre | United States of America, Austin, 3001 S Congress Ave | 2010-02-11 | 2010-02-21 | 2010 | 1 | |
| MasthuggsTeatern | MasthuggsTeatern | Sweden, Göteborg, Masthuggsterrassen 3 | 2002-10-11 | 2003-06-11 | 2002–2003 | 2 | |
| Meråker, Samfunnshuset | Samfunnshuset Meråker (Meraaker) | Norway, Meråker | 1956-11-08 | -- | 1956–1961 | 4 | |
| Museum of Contemporary Art, The | The Museum of Contemporary Art | United States of America, Chicago, 220 East Chicago Avenue | 2005-11-30 | 2009-02-15 | 2005–2009 | 2 | |
| Maaspoort | Maaspoort | Netherlands, Venlo, Oude Markt 30 | 2009-10-28 | -- | 2009–2013 | 2 | |
| Markgrafentheater | Markgrafentheater | Germany, Erlangen, Theaterpl. 2 | 2000-03-09 | 2010-06-13 | 2000–2022 | 5 | |
| Mark Hellinger Theatre | Mark Hellinger Theatre | United States of America, Manhattan, 237 West 51st Street | 1982-09-23 | -- | 1982 | 1 | |
| Mărăşeşti | Mărăşeşti | Romania, Mărăşeşti | -- | -- | | | |
| Marion | Marion | United States of America, Marion | 1903-12-07 | 1903-12-07 | 1903 | 1 | |
| Ma An Shan Da Juyuan | Ma An Shan Da Juyuan (Ma An Shan Grand Theatre) | China, An'hui, No. 2006 Taibai Road, Ma'anshan, An'hui Province | 2015-01-16 | 2015-01-16 | 2015 | 1 | |
| Matienzo Cultural Club | Matienzo Cultural Club | Argentina, Buenos Aires, Pringles 1249 | 2018-07-31 | 2018-07-31 | 2018 | 1 | |
| Molun zhongxue (Molun School) | Molun zhongxue (Molun School) | China, Shanghai | -- | -- | | | |
| 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 | |
| Městské oblastní divadlo | Městské oblastní divadlo | Czech Republic, Kolín | -- | -- | | | |
| Marker Ungdomsskole | Marker Ungdomsskole | Norway, Marker, Marker | 2005-11-23 | -- | 2005 | 1 | |
| Miskolc | Miskolc | Hungary, Miskolc | 1889-11-05 | 1928-02-16 | 1889–1944 | 29 | |
| Manbites Dog Theater | Manbites Dog Theater | United States of America, Durham, 703 Foster St | 2006-02-02 | 2006-02-19 | 2006 | 1 | |
| Molesworth Hall | Molesworth Hall | Ireland, Dublin, Molesworth St | 1897-12-14 | 1906-12-08 | 1897–1906 | 2 | |
| Maison de la Culture de Loire-Atlantique | Maison de la Culture de Loire-Atlantique | France, Nantes | 1995-10-05 | 1995-10-25 | 1995 | 1 | |
| Morelia | Morelia | Mexico, Morelia | 2006-06-02 | -- | 2006 | 1 | |
| Mecklenburgisches Landestheater Schwerin | Mecklenburgisches Landestheater Schwerin | Germany, Schwerin, Blutstr. 16 19370 Parchim | 1919-11-02 | 1925-10-09 | 1919–1925 | 3 | |
| Møre Folkehøgskole | Møre Folkehøgskole | Norway, Ørsta, Kyrkjegata 48 | 1969-09-08 | -- | 1969 | 2 | |
| Midsund Ungdomsskole | Midsund Ungdomsskole | Norway, Midsund | 1990-02-28 | -- | 1990 | 1 | |
| Massachusetts Institute of Technology (MIT) | Massachusetts Institute of Technology (MIT) | United States of America, Cambridge, 77 Massachusetts Ave | 1964-01-24 | -- | 1964 | 1 | |
| Moskovskij teatr imeni Leninskogo komsomola | Moskovskij teatr imeni Leninskogo komsomola | Russia, Moscow, ул. М. Дмитровка, 6 | 1939-04-20 | -- | 1939–2011 | 2 | |
| Miorcani (Rădăuţi-Prut) | Miorcani (Rădăuţi-Prut) | Romania, Miorcani (Rădăuţi-Prut) | -- | -- | | | |
| Menotti, Teatro | Teatro Menotti | Italy, Milano, Via Ciro Menotti, 11 | 2018-03-01 | 2018-03-11 | 2018 | 1 | |
| Meiqi Juyuan | Meiqi Juyuan (Meiqi Theatre) | China, Shanghai, 66 Jiangning Lu | 1995-11- | 2017-09-10 | 1995–2017 | 2 | |
| Musikefterskolen i Humble | Musikefterskolen i Humble | Denmark, Humble, Hovedgaden 21 | 2013-10-21 | -- | 2013 | 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 | |
| Moelven kino | Moelven kino | Norway, Moelv | 1978-11-30 | -- | 1978–1987 | 4 | |
| Moskovskii gastrolnyj teatr | Moskovskii gastrolnyj teatr | Russia, Moscow | 1957-- | -- | 1957 | 1 | |
| Moelv | Moelv | Norway, Moelv | 1966-04-23 | -- | 1966–1991 | 3 | |
| Magyar Színház | Magyar Színház | Hungary, Budapest, Hevesi Sándor tér 4 | 1917-06-02 | 1925-06-19 | 1917–1930 | 6 | |
| Maison des Arts de Creteil | Maison des Arts de Creteil | France, Paris, Place Salvador Allende | 1996-04-12 | 1996-04-13 | 1996 | 1 | |
| Mikkelin Teatteri | Mikkelin Teatteri | Finland, Mikkeli, Savilahdenkatu 11 | 1980-02-21 | -- | 1980 | 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 | |
| Melville | Melville | Australia, Perth | 2012-07-13 | 2022-08-20 | 2012–2022 | 2 | |
| Městské divadlo Jablonec nad Nisou | Městské divadlo Jablonec nad Nisou | Czech Republic, Jablonec nad Nisou, Liberecká 5/1900 | 2006-12-04 | -- | 2006 | 1 | |
| Mapol Motion Pictures Studios | Mapol Motion Pictures Studios | Argentina, Buenos Aires | 1954-01-27 | -- | 1954 | 1 | |
| Moscow | Moscow | Russia, Moscow | 1904-04-29 | 2014-10-06 | 1904–2014 | 15 | |
| Maxine Elliott's Theatre | Maxine Elliott's Theatre | United States of America, New York, 109 West 39th Street | 1925-11-10 | -- | 1925 | 1 | |
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