| 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 | |
| Mailun Zhongxue | Mailun Zhongxue (Mailun Middle School) | China, Shanghai, Gaoyang Road No. 690 | 1934-07-03 | -- | 1934 | 1 | |
| Montereau | Montereau | France, Montereau | 1999-02-15 | 1999-02-19 | 1999 | 1 | |
| Munich | Munich | Germany, Munich | 1993-11-19 | 1993-11-20 | 1993 | 1 | |
| Medborgarhuset | Medborgarhuset | Sweden, Vansbro, Norra Allégatan 30 | 2010-10-28 | -- | 2010 | 1 | |
| Městské divadlo Mladá Boleslav | Městské divadlo Mladá Boleslav | Czech Republic, Mladá Boleslav, Palackého 263 | 1955-01-23 | 2006-11-27 | 1955–2006 | 5 | |
| Middlesbrough Theatre | Middlesbrough Theatre | England, Middlesbrough, The Avenue | 2005-03-31 | 2005-04-01 | 2005–2011 | 2 | |
| Metropolitan Opera House | Metropolitan Opera House | United States of America, New York, Lincoln Center Plaza | 1923-10-29 | -- | 1923 | 1 | |
| Margaret Greenham Theatre | Margaret Greenham Theatre | Canada, Banff, 107 Tunnel Mountain Drive | 2007-03-16 | 2007-03-17 | 2007 | 1 | |
| McSorley’s Square | McSorley’s Square | Vietnam, Ho Chi Minh City, 4 Thao Dien, District 2 | 2014-06-12 | 2014-06-15 | 2014 | 1 | |
| Marienwerder | Marienwerder | Poland, Kwidzyn | 1878-- | -- | 1878 | 1 | |
| Malyj Teatr | Malyj Teatr (Maly Theatre) | Russia, Moscow, Theatre Square, 1 | 1892-01-14 | -- | 1892–1972 | 10 | |
| Manchester Library | Manchester Library | United States of America, Manchester, 8067 E Main St | 2006-11-04 | -- | 2006 | 1 | |
| Művész Színház | Művész Színház | Hungary, Budapest, Paulay Ede utca 35. | 1948-01-08 | -- | 1948 | 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 | |
| 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 | |
| Malvern Opera House | Malvern Opera House | United States of America, Malvern | 1896-05-22 | 1896-05-22 | 1896 | 1 | |
| Meng Minwei Yinyue Ting | Meng Minwei Yinyue Ting (Meng Minwei Concert Hall) | China, Beijing, No. 30 Shuangqing Road, Haidian District | 2018-06-29 | 2018-06-30 | 2018 | 1 | |
| Malkasten-Haus | Malkasten-Haus | Germany, Düsseldorf, Jacobistraße 6a | 1964-03-09 | -- | 1964 | 1 | |
| Maihaugsalen | Maihaugsalen | Norway, Lillehammer, Maihaugvegen 1 | 1928-05-17 | 2020-11-05 | 1928–2022 | 15 | |
| M/S Kronborg | M/S Kronborg | Denmark, Copenhagen | 1996-11-10 | 1996-11-13 | 1996 | 1 | |
| Margetts Theatre | Margetts Theatre | United States of America, Provo, Franklin S. Harris Fine Arts Center | 2012-02-29 | 2012-03-10 | 2012 | 1 | |
| Mosjøen | Mosjøen | Norway, Mosjøen | 1966-05-08 | -- | 1966–2005 | 6 | |
| Max-Reger-Halle | Max-Reger-Halle | Germany, Weiden in der Oberpfalz, Dr.-Pfleger-Straße 17 | 2005-09-26 | -- | 2005 | 1 | |
| Mehamn | Mehamn samfunnshus | Norway, Mehamn | 1968-10-03 | -- | 1968–1970 | 2 | |
| Mercat de les Flors | Mercat de les Flors | Spain, Barcelona, Carrer de Lleida | 1996-10-01 | 1998-10-27 | 1996–1997 | 2 | |
| Markten, De | De Markten | Switzerland, Brussels, Oude Graanmarkt 5 | 1990-09-16 | 1990-09-17 | 1990 | 1 | |
| Mátészalka | Mátészalka | Hungary, Mátészalka | 1925-07-16 | -- | 1925–1941 | 2 | |
| Milan | Milan | Italy, Milan | 1899-12-12 | -- | 1899 | 1 | |
| Mecklenburgisches Landestheater Stralsund | Mecklenburgisches Landestheater Stralsund | Germany, Stralsund | 1950-09-10 | 1950-10-20 | 1950 | 1 | |
| Margaretaparken | Margaretaparken | Sweden, Stockholm, Gamla Enskede | 2003-08-30 | 2003-09-19 | 2003 | 1 | |
| Mains d'Œuvres | Mains d'Œuvres | France, Saint-Ouen, 1 Rue Charles Garnier | 2016-10-04 | 2016-10-09 | 2016 | 1 | |
| Music Hall Chicago | Music Hall Chicago | United States of America, Chicago, 1020 W Sheridan Rd | 1905-03-29 | 1907-06-08 | 1905–1907 | 3 | |
| Maison des Œuvres Saint Martin | Maison des Œuvres Saint Martin | France, Erstein, 9 Quai du Couvent | 2015-04-10 | -- | 2015 | 1 | |
| Marquette | Marquette | United States of America, Marquette | 1903-11-24 | 1903-11-24 | 1903 | 1 | |
| Memorial Hall Auditorium, Meiji University | Memorial Hall Auditorium, Meiji University | Japan, Tokyo | 1959-11-06 | -- | 1959 | 1 | |
| Muskogee High School | Muskogee High School | United States of America, Muskogee, 3200 E Shawnee Rd | 1910-12-23 | 1910-12-23 | 1910 | 1 | |
| Moberly Arts & Cultural Centre | Moberly Arts & Cultural Centre | Canada, Vancouver, 7646 Prince Albert St | 2019-10-18 | 2019-12-14 | 2019 | 1 | |
| Maillon-Wacken | Maillon-Wacken | France, Strasbourg, Parc des Expositions, 7 Place Adrien Zeller | 2000-06-06 | 2000-06-17 | 2000 | 1 | |
| Møvig skole | Møvig skole | Norway, Kristiansand, Kristiansand | 2006-10-23 | -- | 2006 | 1 | |
| Minor Hall Theatre | Minor Hall Theatre | United States of America, Charlottesville, 735 Anderson Hill Rd | 1963-05-13 | 1963-05-18 | 1963 | 1 | |
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