| Málaga | Málaga | Spain, Málaga | 1975-08-28 | -- | 1975 | 1 | |
| Mailun Zhongxue | Mailun Zhongxue (Mailun Middle School) | China, Shanghai, Gaoyang Road No. 690 | 1934-07-03 | -- | 1934 | 1 | |
| Moss | Moss | Norway, Moss | 1893-04-24 | 1971-10-07 | 1893–1982 | 9 | |
| Minot University Black Box | Minot University Black Box | United States of America, Minot, 500 University Ave W | 2006-10-11 | 2006-10-12 | 2006 | 1 | |
| Moat Theatre, The | The Moat Theatre | Ireland, Naas, Co.Kildare | 2007-02-20 | 2019-06-08 | 2007–2019 | 2 | |
| Miłośnicy Sceny | Miłośnicy Sceny | Poland, Warsaw | 1903-02-08 | 1903-03-15 | 1903 | 1 | |
| Motala | Motala | Sweden, Motala | 1992-10- | -- | 1992 | 1 | |
| Molde kino | Molde kino | Norway, Molde, Gotfried Lies Plass 1. 6415 Molde | 1963-02-20 | 1984-10-31 | 1963–1984 | 7 | |
| MIT Kresge Little Theatre | MIT Kresge Little Theatre | United States of America, Cambridge, 48 Massachusetts Ave (in MIT Kresge Auditorium) | 1998-05-07 | 1998-05-09 | 1998 | 1 | |
| Musikhuset Aarhus | Musikhuset Aarhus | Denmark, Århus, Thomas Jensens Alle | 2002-03-11 | 2006-09-16 | 2002–2018 | 4 | |
| Midtbygda Sentralskole | Midtbygda Sentralskole | Norway, Solfjellsjøen, Dønna, Solfjellsjøen, 8820 Dønna | 1971-03-13 | -- | 1971–1978 | 2 | |
| Merrimack Repertory Theatre | Merrimack Repertory Theatre | United States of America, Lowell, 50 E Merrimack St | 1991-03-20 | 1991-04-06 | 1991 | 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 | |
| Møre Folkehøgskole | Møre Folkehøgskole | Norway, Ørsta, Kyrkjegata 48 | 1969-09-08 | -- | 1969 | 2 | |
| Minsk | Minsk | Belarus, Minsk | 2008-10-09 | 2015-10-10 | 2008–2015 | 2 | |
| Meadow Brook Theatre | Meadow Brook Theatre | United States of America, Rochester, 207 Wilson Blvd | 1967-11-10 | -- | 1967 | 1 | |
| Mikkelin Teatteri | Mikkelin Teatteri | Finland, Mikkeli, Savilahdenkatu 11 | 1980-02-21 | -- | 1980 | 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 | |
| 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 | |
| Mexico | Mexico | Mexico, Mexico | 1930-06- | -- | 1930–1974 | 3 | |
| Mellomhagen ungdomsskole | Mellomhagen ungdomsskole | Norway, Larvik, Mellomhagen 31 | 2007-02-07 | -- | 2007 | 1 | |
| Musikteatret Albertslund | Musikteatret Albertslund | Denmark, Albertslund, Bibliotekstorvet 1-3 | 1994-06-19 | 1994-06-21 | 1994–2018 | 5 | |
| Markgräfliches Opernhaus Bayreuth | Markgräfliches Opernhaus Bayreuth | Germany, Bayreuth, Opernstraße 14 | 1922-09-23 | -- | 1922–1972 | 2 | |
| Moyse Hall | Moyse Hall | Canada, Montréal, 853 Rue Sherbrooke O | 1933-10-18 | 1933-10-21 | 1933 | 1 | |
| Manhattan Theatre | Manhattan Theatre | United States of America, New York, 102 W. 33rd St | 1902-05-21 | 1902-05-30 | 1902–1905 | 6 | |
| Maximteatern | Maximteatern | Sweden, Borlänge, Tunagatan 42, | 2010-10-26 | -- | 2010 | 1 | |
| Moscow Academic Mayakovsky Theatre | Moscow Academic Mayakovsky Theatre | Russia, Moscow, Bolshaya Nikitskaya Street, 19/13 | 2013-04-27 | -- | 2013 | 1 | |
| Maltings Arts Centre | Maltings Arts Centre | England, St Albans, Hertfordshire, The Maltings | 1993-09-24 | -- | 1993 | 1 | |
| Mercury Theatre Colchester | Mercury Theatre Colchester | England, Colchester, Essex, Balkerne Gate | 2009-11-05 | 2009-11-21 | 2009 | 1 | |
| Městské divadlo Děčín | Městské divadlo Děčín | Czech Republic, Děčín, Teplická 587/75 | 2006-05-29 | -- | 2006 | 1 | |
| Midland Hotel Theatre | Midland Hotel Theatre | England, Manchester, 16 Peter Street | 1905-03-24 | -- | 1905 | 1 | |
| Music and Dramatic Arts Building, Louisiana State University | Music and Dramatic Arts Building, Louisiana State University | United States of America, Baton Rouge | 1937-01-14 | 1999-10-02 | 1937–1999 | 2 | |
| Micşuneştii Mari | Micşuneştii Mari | Romania, Micşuneştii Mari | -- | -- | | | |
| Marienwerder | Marienwerder | Poland, Kwidzyn | 1878-- | -- | 1878 | 1 | |
| Municipal Hall | Municipal Hall | South Korea, Seoul, 110, Sejong-daero, Jung-gu | 1934-06-23 | 1934-06-23 | 1934 | 1 | |
| Művész Színház | Művész Színház | Hungary, Budapest, Paulay Ede utca 35. | 1948-01-08 | -- | 1948 | 1 | |
| Mélo d'Amélie | Mélo d'Amélie | France, Paris, 4 Rue Marie Stuart | -- | -- | | | |
| Marquette | Marquette | United States of America, Marquette | 1903-11-24 | 1903-11-24 | 1903 | 1 | |
| Mikhlelet Seminar HaKibbutzim | Mikhlelet Seminar HaKibbutzim (Seminar Hakibbutzim College) | Israel, Tel Aviv, Ahad Ha'Am St 9, Tel Aviv-Yafo, Israel | 2023-12-27 | 2023-12-30 | 2023 | 1 | |
| Moberly Arts & Cultural Centre | Moberly Arts & Cultural Centre | Canada, Vancouver, 7646 Prince Albert St | 2019-10-18 | 2019-12-14 | 2019 | 1 | |
| Mandel Hall, University Of Chicago | Mandel Hall, University Of Chicago | United States of America, Chicago, 1131 East 57th Street | 1920-02-16 | 1981-02-22 | 1920–1981 | 2 | |
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