| Merchant’s House Museum | Merchant’s House Museum | United States, New York, 29 E 4th St | 2011-07-07 | 2011-07-17 | 2011 | 1 | |
| Maine Community Hall | Maine Community Hall | United States, Maine | 2009-05-10 | -- | 2009 | 1 | |
| Mecklenburgisches Landestheater Stralsund | Mecklenburgisches Landestheater Stralsund | Germany, Stralsund | 1950-09-10 | 1950-10-20 | 1950 | 1 | |
| Mosby skole | Mosby skole | Norway, Kristiansand, Kristiansand | 2006-10-25 | -- | 2006 | 1 | |
| Margaretaparken | Margaretaparken | Sweden, Stockholm, Gamla Enskede | 2003-08-30 | 2003-09-19 | 2003 | 1 | |
| Montgomery Theatre | Montgomery Theatre | Canada, North Rustico, 57 Church Hill Avenue | 2011-09-01 | 2011-09-11 | 2011 | 1 | |
| Man in the Moon Theatre | Man in the Moon Theatre | England, London, 392 Kings Road | 1994-01-20 | 1994-01-20 | 1994 | 1 | |
| Margaret Greenham Theatre | Margaret Greenham Theatre | Canada, Banff, 107 Tunnel Mountain Drive | 2007-03-16 | 2007-03-17 | 2007 | 1 | |
| Minotaure et l'Hectare, Le | Le Minotaure et l'Hectare | France, Vendôme, 8 Rue César de Vendôme | 2014-01-16 | -- | 2014–2020 | 2 | |
| Mystery Brewery | Mystery Brewery | United States, Hillsborough, 437 Dimmock's Mill Rd | 2018-01-18 | 2018-02-03 | 2018 | 1 | |
| Moss Hotel | Moss Hotel | Norway, Moss, Dronningens gate 21 | 1927-09-06 | -- | 1927–1928 | 3 | |
| Maison des Jeunes et de la Culture, Théâtre de la | Théâtre de la Maison des Jeunes et de la Culture | France, Colombes, 96-98 Rue Saint-Denis | 1966-03-22 | -- | 1966 | 1 | |
| Musik-Mittelschule Henndorf | Musik-Mittelschule Henndorf | Austria, Henndorf am Wallersee, Sportplatzstraße 10 | 2018-04-20 | 2018-04-24 | 2018 | 1 | |
| Măcin | Măcin | Romania, Măcin | -- | -- | | | |
| Madhusudan Mancha | Madhusudan Mancha | India, Kolkata, Gariahat Rd, Dhakuria, Babu Bagan, Selimpur, Jodhpur Park | 2010-03-10 | -- | 2010 | 1 | |
| Moskovskij dramatičeskij teatr imeni K. Stanislavskogo (Stanislavskij Elektroteater) | Moskovskij dramatičeskij teatr imeni K. Stanislavskogo (Stanislavsij Elektroteater) | Russia, Moscow, Tverskaya St, 23 | 1990-12- | -- | 1990 | 1 | |
| Mayo Teatral | Mayo Teatral | Cuba, Havana | 2006-05-16 | 2006-05-17 | 2006 | 1 | |
| Markgrafenhalle | Markgrafenhalle | Germany, Neustadt/Aisch | 1980-02-24 | -- | 1980 | 1 | |
| Mukačeve | Mukačeve | Ukraine, Mukačeve | 1909-01- | 1927-03-08 | 1909–1941 | 8 | |
| Münchner Künstlertheater | Münchner Künstlertheater | Germany, Munich | 1909-08-20 | -- | 1909 | 1 | |
| Manhatten | Manhatten | United States, New York | 1989-01-24 | -- | 1989 | 1 | |
| Mandal videregående skole | Mandal videregående skole | Norway, Mandal, Kallhammerveien 6 | 2006-03-20 | -- | 2006 | 1 | |
| MC93, Salle Christian Bourgois | MC93, Salle Christian Bourgois | France, Bobigny, 1 Boulevard Lénine | 2010-02-11 | 2010-02-14 | 2010 | 2 | |
| Mercat de les Flors | Mercat de les Flors | Spain, Barcelona, Carrer de Lleida | 1996-10-01 | 1998-10-27 | 1996–1997 | 2 | |
| Montréal | Montréal | Canada, Montréal | 1918-05-10 | -- | 1918 | 1 | |
| Molesworth Hall | Molesworth Hall | Ireland, Dublin, Molesworth St | 1897-12-14 | 1906-12-08 | 1897–1906 | 2 | |
| Maly Branch Theatre | Maly Branch Theatre | Russia, Moscow, Театральная пл., 1/2, г. | 1916-- | 2009-11-08 | 1916–2009 | 2 | |
| Main Theatre, The | The Main Theatre | England, Hexham, Beaumont Street | 2022-09-28 | 2022-09-29 | 2022 | 1 | |
| Mailun Zhongxue | Mailun Middle School (Mailun Zhongxue) | China, Shanghai, Gaoyang Road No. 690 | 1934-07-03 | -- | 1934 | 1 | |
| Memorial Hall, University of North Carolina | Memorial Hall, University of North Carolina | United States, Chapel Hill | 1933-10-13 | -- | 1933 | 1 | |
| Medborgarhuset | Medborgarhuset | Sweden, Vansbro, Norra Allégatan 30 | 2010-10-28 | -- | 2010 | 1 | |
| Minard | Minard | Belgium, Gent, Korianderstraat 13 | 2013-02-28 | 2014-05-03 | 2013–2014 | 2 | |
| Minsk | Minsk | Belarus, Minsk | 2008-10-09 | 2015-10-10 | 2008–2015 | 2 | |
| Modum Kulturhuset | Modum Kulturhuset | Norway, Vikersund, Rådhusveien 1 | 1993-02-14 | 2015-11-08 | 1993–2022 | 12 | |
| Moray House Theatre | Moray House Theatre | Scotland, Edinburgh | 1969-11-25 | -- | 1969 | 1 | |
| Montevideo | Montevideo | Uruguay, Montevideo | 1897-08- | -- | 1897–1974 | 3 | |
| Marloo Theatre | Marloo Theatre | Australia, Greenmount, 20 Marloo Road | 2008-07-16 | 2008-08-02 | 2008 | 1 | |
| Minor Hall Theatre | Minor Hall Theatre | United States, Charlottesville, 735 Anderson Hill Rd | 1963-05-13 | 1963-05-18 | 1963 | 1 | |
| Moland ungdomsskole | Moland ungdomsskole | Norway, Moland | 1997-09-03 | -- | 1997 | 1 | |
| Mahenovo divadlo | Mahenovo divadlo | Czech Republic, Brno, Malinovského náměstí 1 | 1966-03-04 | 2018-06-05 | 1966–2017 | 3 | |
| Molde | Molde | Norway, Molde | 1966-04-26 | 1971-10-29 | 1966–2005 | 7 | |
| Mexico City | Mexico City | Mexico, Mexico City | -- | -- | | | |
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