| Musik-Mittelschule Henndorf | Musik-Mittelschule Henndorf | Austria, Henndorf am Wallersee, Sportplatzstraße 10 | 2018-04-20 | 2018-04-24 | 2018 | 1 | |
| Mesterfjellet ungdomsskole | Mesterfjellet ungdomsskole | Norway, Larvik, Kristian Fredriks vei 3 | 2007-02-08 | -- | 2007 | 1 | |
| Mehrzwecksaal Schulhaus Ebnet | Mehrzwecksaal Schulhaus Ebnet | Switzerland, Andwil, Arneggerstrasse 14 | 2003-11-21 | 2003-12-05 | 2003 | 1 | |
| Miranda de Ebro | Miranda de Ebro | Spain, Miranda de Ebro | 2011-02-04 | -- | 2011 | 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 | |
| Markgrafenhalle | Markgrafenhalle | Germany, Neustadt/Aisch | 1980-02-24 | -- | 1980 | 1 | |
| Münchner Künstlertheater | Münchner Künstlertheater | Germany, Munich | 1909-08-20 | -- | 1909 | 1 | |
| Málaga | Málaga | Spain, Málaga | 1975-08-28 | -- | 1975 | 1 | |
| Margarethakirkens ruin, Maridalen | Margarethakirkens ruin, Maridalen | Norway, Oslo | 1985-08-17 | 1985-08-25 | 1985 | 1 | |
| Mailun Zhongxue | Mailun Middle School (Mailun Zhongxue) | China, Shanghai, Gaoyang Road No. 690 | 1934-07-03 | -- | 1934 | 1 | |
| Mershon Auditorium, Wexner Center for the Arts | Mershon Auditorium, Wexner Center for the Arts | United States of America, Columbus, 1871 North High Street | 2005-11-16 | 2005-11-20 | 2005 | 1 | |
| Memorial Hall, University of North Carolina | Memorial Hall, University of North Carolina | United States of America, Chapel Hill | 1933-10-13 | -- | 1933 | 1 | |
| Maximteatern | Maximteatern | Sweden, Borlänge, Tunagatan 42, | 2010-10-26 | -- | 2010 | 1 | |
| MSH Rendezvényház Kht. | MSH Rendezvényház Kht. | Hungary, Szombathely, Március 15 tér | 2007-03-06 | -- | 2007 | 1 | |
| Mountview Academy of Theatre Arts | Mountview Academy of Theatre Arts | England, London, Clarendon Rd | 2004-06-17 | 2004-06-25 | 2004 | 1 | |
| Merlyn Theatre | Merlyn Theatre (Malthouse Theatre) | Australia, Southbank, 113 Sturt St | 2012-02-17 | 2012-03-17 | 2012 | 1 | |
| Morrison Center for the Performing Arts | Morrison Center for the Performing Arts | United States of America, Boise, 2201 Cesar Chavez Lane | 2004-03-10 | 2004-03-21 | 2004 | 1 | |
| M. Lermontov State Academic Russian Drama Theather | Russkiy Respublikanskiy Dramaticheskiy Teatr Im. M.yu. Lermontova (M. Lermontov State Academic Russian Drama Theather) | Russia, Abakan, Republic of Khakassia, Ulitsa Shchetinkina 12 | 2023-05-26 | 2023-05-27 | 2023 | 1 | |
| Mechanics Institute Performing Arts Centre | Mechanics Institute Performing Arts Centre | Australia, Brunswick, 270 Sydney Rd | 2004-07-22 | 2004-08-08 | 2004 | 1 | |
| Meng Minwei Concert Hall | Meng Minwei Concert Hall | China, Beijing, No. 30 Shuangqing Road, Haidian District | 2018-06-29 | 2018-06-30 | 2018 | 1 | |
| Manhattan Opera House | Manhattan Opera House | United States of America, New York, 311 West 34th St | 1920-09-06 | -- | 1920 | 1 | |
| Mantziusgården | Mantziusgården | Denmark, Birkerød, Johan Mantzius Vej 7 | 2004-12-07 | -- | 2004 | 1 | |
| McMillan Theater | McMillan Theater | United States of America, New York, 2960 Broadway | 1937-03-13 | -- | 1937 | 1 | |
| Møre og Romsdal tekniske skole | Møre og Romsdal tekniske skole | Norway, Ålesund, Fogd Greves vei 9 | 1970-02-09 | -- | 1970 | 1 | |
| Margaret Greenham Theatre | Margaret Greenham Theatre | Canada, Banff, 107 Tunnel Mountain Drive | 2007-03-16 | 2007-03-17 | 2007 | 1 | |
| Mĕstské oblastní divadlo Varnsdorf | Mĕstské oblastní divadlo Varnsdorf | Czech Republic, Varnsdorf, Partyzánů 1442 | 1959-04-25 | -- | 1959 | 1 | |
| Milton Keynes Theatre | Milton Keynes Theatre | England, Milton Keynes, 500 Marlborough Gate | 2018-02-27 | 2018-03-03 | 2018 | 1 | |
| Mrs. Osborn's Theatre | Mrs. Osborn's Theatre | United States of America, New York, 44th St., near 5th Ave | 1903-03-03 | -- | 1903 | 1 | |
| Mainfranken Theater Würzburg | Mainfranken Theater Würzburg | Germany, Würzburg, Theaterstraße 21 | 2013-01-19 | -- | 2013 | 1 | |
| Mission Theatre, The | The Mission Theatre | England, Bath, 32 Corn St | 2008-03-11 | 2008-03-15 | 2008 | 1 | |
| Malak gradski teatar zad kanala | Malak gradski teatar "zad kanala" (Malak gradski teatar zad kanala) | Bulgaria, Sofia, 1 Madrid blvd. | 1996-01-12 | -- | 1996 | 1 | |
| Milwaukee | Milwaukee | United States of America, Milwaukee | 1903-11-12 | 1903-11-14 | 1903 | 1 | |
| Møllesalen | Møllesalen | Norway, Strusshamn | 2005-09-03 | -- | 2005 | 1 | |
| Mĕstská divadla pražská (Komorní divadlo) | Mĕstská divadla pražská (Komorní divadlo) | Czech Republic | 1965-04-22 | -- | 1965 | 1 | |
| Macrobert | Macrobert | Scotland, Stirling, University of Stirling | 2014-02-27 | -- | 2014 | 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 | |
| Marquam Grand Theatre | Marquam Grand Theatre | United States of America, Portland | 1904-01-27 | 1904-01-28 | 1904 | 1 | |
| Moberly Arts & Cultural Centre | Moberly Arts & Cultural Centre | Canada, Vancouver, 7646 Prince Albert St | 2019-10-18 | 2019-12-14 | 2019 | 1 | |
| Myklebust barne- og ungdomsskule | Myklebust barne- og ungdomsskule | Norway, Syvde | 2006-10-03 | -- | 2006 | 1 | |
| Marl | Marl | Germany, Marl | 1954-- | -- | 1954 | 1 | |
| Mogilevskij Dramatičeski Teatr | Mogilevskij Dramatičeski Teatr (Mahilioŭ Regional Drama Theater) | Belarus, Mogilev, Pieršamajskaja St 7 | 2017-07-27 | -- | 2017 | 1 | |
| Moelv kulturhus | Moelv kulturhus | Norway, Moelv, Skolevn. 11 | 2015-10-21 | 2015-10-21 | 2015 | 1 | |
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