| Morosco Theatre | Morosco Theatre | United States of America, New York, 217 West 45th Street | 1937-12-27 | 1938-04-30 | 1937 | 1 | |
| McMillan Theater | McMillan Theater | United States of America, New York, 2960 Broadway | 1937-03-13 | -- | 1937 | 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 | |
| Mariestad | Mariestad | Sweden, Mariestad | 1936-10-08 | 1989-11-20 | 1936–1993 | 5 | |
| Městské komorní divadlo | Městské komorní divadlo | Czech Republic, Prague | 1936-03-31 | -- | 1936–1943 | 2 | |
| Maverick Theatre | Maverick Theatre | United States of America, Woodstock, 120 Maverick Rd | 1934-08-09 | 1937-07-25 | 1934–1937 | 2 | |
| Mailun Zhongxue | Mailun Zhongxue (Mailun Middle School) | China, Shanghai, Gaoyang Road No. 690 | 1934-07-03 | -- | 1934 | 1 | |
| Municipal Hall | Municipal Hall | South Korea, Seoul, 110, Sejong-daero, Jung-gu | 1934-06-23 | 1934-06-23 | 1934 | 1 | |
| Moyse Hall | Moyse Hall | Canada, Montréal, 853 Rue Sherbrooke O | 1933-10-18 | 1933-10-21 | 1933 | 1 | |
| Memorial Hall, University of North Carolina | Memorial Hall, University of North Carolina | United States of America, Chapel Hill | 1933-10-13 | -- | 1933 | 1 | |
| Music Auditorium, University of Minnesota | Music Auditorium, University of Minnesota | United States of America, Minneapolis | 1933-06-21 | 1940-10-22 | 1933–1940 | 2 | |
| Media | Media | United States of America, Pennsylvania | 1931-10-30 | 1941-05-14 | 1931–1939 | 4 | |
| Moskovskij dramatičeskij teatr (Korša teatr) | Moskovskij dramatičeskij teatr (Korša teatr) | Russia, Moscow | 1931-03-23 | -- | 1931 | 1 | |
| Malvern Theatre | Malvern Theatre | England, Malvern, Worcestershire, Grange Road | 1930-06-23 | 1930-06-25 | 1930 | 1 | |
| Mexico | Mexico | Mexico, Mexico | 1930-06- | -- | 1930–1974 | 3 | |
| Mecklenburgisches Staatstheater Schwerin | Mecklenburgisches Staatstheater Schwerin | Germany, Schwerin, Alter Garten 2 | 1928-11-01 | 2009-01-10 | 1928–2015 | 13 | |
| Maihaugsalen | Maihaugsalen | Norway, Lillehammer, Maihaugvegen 1 | 1928-05-17 | 2020-11-05 | 1928–2022 | 15 | |
| Malmklang | Malmklang | Norway, Kirkenes | 1928-03-16 | 1968-10-12 | 1928–1968 | 4 | |
| Munken kino | Munken kino | Norway, Larvik | 1927-09-08 | 1998-11-19 | 1927–2008 | 22 | |
| Moss Hotel | Moss Hotel | Norway, Moss, Dronningens gate 21 | 1927-09-06 | -- | 1927–1928 | 3 | |
| Mansfield Theatre | Mansfield Theatre | United States of America, New York, 256 W 47th St | 1927-01-10 | -- | 1927 | 1 | |
| Moson | Moson | Hungary, Mosonmagyaróvár | 1926-03-16 | -- | 1926 | 1 | |
| Minnesota University Chapel | Minnesota University Chapel | United States of America, Minneapolis | 1926-02-16 | -- | 1926 | 1 | |
| Maxine Elliott's Theatre | Maxine Elliott's Theatre | United States of America, New York, 109 West 39th Street | 1925-11-10 | -- | 1925 | 1 | |
| Maddermarket Theatre | Maddermarket Theatre | England, Norwich, Norfolk, St Johns Alley | 1925-10-26 | 2002-02-02 | 1925–2002 | 21 | |
| Mestno gledališče Celje | Mestno gledališče Celje | Slovenia, Celje | 1925-10-23 | -- | 1925–1934 | 2 | |
| Mezőhegyes | Mezőhegyes | Hungary, Mezőhegyes | 1925-08-06 | -- | 1925 | 1 | |
| Mátészalka | Mátészalka | Hungary, Mátészalka | 1925-07-16 | -- | 1925–1941 | 2 | |
| Mosonmagyaróvár | Mosonmagyaróvár | Hungary, Mosonmagyaróvár | 1924-05-02 | -- | 1924–1936 | 4 | |
| Masonic Hall | Masonic Hall | United States of America, Cleveland, 3615 Euclid Ave | 1924-04-09 | 1924-04-12 | 1924 | 1 | |
| Metropolitan Opera House | Metropolitan Opera House | United States of America, New York, Lincoln Center Plaza | 1923-10-29 | -- | 1923 | 1 | |
| Markgräfliches Opernhaus Bayreuth | Markgräfliches Opernhaus Bayreuth | Germany, Bayreuth, Opernstraße 14 | 1922-09-23 | -- | 1922–1972 | 2 | |
| Makedonski, Naroden, Teatar | Makedonski Naroden Teatar (Macedonian National Theatre) | Macedonia, Skopje, Iljo Vojvoda, Skopje 1000, Macedonia | 1922-03- | 2024-10-15 | 1922–2024 | 13 | |
| Manhattan Opera House | Manhattan Opera House | United States of America, New York, 311 West 34th St | 1920-09-06 | -- | 1920 | 1 | |
| Madách Kamara Színház | Madách Kamara Színház | Hungary, Budapest, Erzsébet körút 31 | 1920-04-15 | 1920-04-30 | 1920–1974 | 4 | |
| 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 | |
| Městské divadlo Na hradbách | Městské divadlo Na hradbách | Czech Republic, Brno | 1920-01-31 | -- | 1920–1928 | 3 | |
| Maison de l'Oeuvre (Salle Berlioz) | Maison de l'Oeuvre (Salle Berlioz) | France, Paris, 55 Rue de Clichy | 1919-11-09 | 1920-09-23 | 1919–1926 | 6 | |
| Mecklenburgisches Landestheater Schwerin | Mecklenburgisches Landestheater Schwerin | Germany, Schwerin, Blutstr. 16 19370 Parchim | 1919-11-02 | 1925-10-09 | 1919–1925 | 3 | |
| Marmorhaus | Marmorhaus | Germany, Berlin, Kurfürstendamm 236 | 1919-04-06 | -- | 1919 | 1 | |
| Montréal | Montréal | Canada, Montréal | 1918-05-10 | -- | 1918 | 1 | |
| Magyar Színház | Magyar Színház | Hungary, Budapest, Hevesi Sándor tér 4 | 1917-06-02 | 1925-06-19 | 1917–1930 | 6 | |
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