| Masonic Opera House | Masonic Opera House | United States of America, Chillicothe | 1903-12-05 | 1908-04-06 | 1903–1908 | 2 | |
| Midgårdsskolan | Midgårdsskolan | Sweden, Umeå, Regementsområdet | 2006-11-15 | 2006-11-16 | 2006 | 1 | |
| Merrimack Repertory Theatre | Merrimack Repertory Theatre | United States of America, Lowell, 50 E Merrimack St | 1991-03-20 | 1991-04-06 | 1991 | 1 | |
| Milan | Milan | Italy, Milan | 1899-12-12 | -- | 1899 | 1 | |
| Metropolitan | Metropolitan | United States of America, Minneapolis | 1906-12-06 | 1910-08-10 | 1906–1910 | 2 | |
| MFA Studio 208, University of Houston School of Theatre & Dance | MFA Studio 208, University of Houston School of Theatre & Dance | United States of America, Houston, Cynthia Woods Mitchell Center for the Arts | 2009-09-18 | 2009-09-20 | 2009 | 1 | |
| Maison des Arts et de la Culture | Maison des Arts et de la Culture | France, Créteil, 1 Place Salvador Allende | 1999-03-25 | 2011-12-03 | 1999–2020 | 3 | |
| Molde videregående skole | Molde videregående skole | Norway, Molde, Øvre veg 23 | 1970-02-10 | 2013-03-04 | 1970–2013 | 3 | |
| Main Stage Theatre | Main Stage Theatre | United States of America, Addison, 15650 Addison Rd | 2018-10-12 | 2018-11-04 | 2018 | 1 | |
| Meghdoot III Exhibition Hall | Meghdoot III Exhibition Hall | India, New Delhi, Rabindra Bhavan, Copernicus Marg | 2009-12-04 | 2009-12-05 | 2009 | 1 | |
| Marlo grendahus | Marlo grendahus | Norway, Skjåk | 1969-02-19 | -- | 1969 | 4 | |
| Městské divadlo České Budějovice | Městské divadlo České Budějovice | Czech Republic, České Budějovice | 1913-10-06 | -- | 1913 | 1 | |
| Macauleys Theater | Macauleys Theater | United States of America, Louisville, 315 W Broadway | 1883-12-07 | 1906-12-29 | 1883–1906 | 3 | |
| Malraux - Scène nationale Chambéry Savoie | Malraux - Scène nationale Chambéry Savoie | France, Chambéry, 67 Place Président Mitterand | 2012-02-07 | 2014-04-25 | 2012–2014 | 2 | |
| Mitzi E. Newhouse Theater | Mitzi E. Newhouse Theater | United States of America, New York, West 65th Street | 2025-03-18 | 2025-04-26 | 2025 | 1 | |
| Moineşti | Moineşti | Romania, Moineşti | -- | -- | | | |
| Městské oblastní divadlo Karlovy Vary | Městské oblastní divadlo Karlovy Vary | Czech Republic, Karlovy Vary | 1947-02-06 | -- | 1947 | 1 | |
| Markgräfliches Opernhaus Bayreuth | Markgräfliches Opernhaus Bayreuth | Germany, Bayreuth, Opernstraße 14 | 1922-09-23 | -- | 1922–1972 | 2 | |
| Møre og Romsdal | Møre og Romsdal | Norway, Møre og Romsdal | 1990-05- | 1997-04-30 | 1990–1997 | 2 | |
| Masrah Al-Falaki | Masrah Al-Falaki (Al-Falaki Theater) | Egypt, Cairo Governorate, Al Falki, Abdeen, | 2024-10-10 | -- | 2024 | 1 | |
| Momentum, Teater | Teater Momentum | Denmark, Odense, Filosofgangen 19 | 2013-02-14 | 2016-04-12 | 2013–2016 | 2 | |
| Moskovskij Dramatičeskij Teatr pod rukovodstvom Armena Džigarchanjana | Moskovskij Dramatičeskij Teatr pod rukovodstvom Armena Džigarchanjana | Russia, Moskva, Lomonosovskij prospekt 17 | 2008-03-14 | 2009-05-17 | 2008 | 1 | |
| Maltings Arts Centre | Maltings Arts Centre | England, St Albans, Hertfordshire, The Maltings | 1993-09-24 | -- | 1993 | 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 | |
| Mankato | Mankato | United States of America, Mankato | 1903-11-09 | 1903-11-09 | 1903 | 1 | |
| Majestic Theatre | Majestic Theatre | United States of America, San Francisco | 1905-04-04 | 1905-04-04 | 1905 | 1 | |
| Makó | Makó | Hungary, Makó | 1890-05-12 | -- | 1890–1940 | 14 | |
| M/S Ragnvald Jarl | M/S Ragnvald Jarl | Norway, Tromsø | 1994-03-22 | -- | 1994 | 1 | |
| Malmö Teater | Malmö Teater | Sweden, Malmö | 1872-02-01 | 1928-04-16 | 1872–1936 | 23 | |
| Mellösagården | Mellösagården | Sweden, Mellösa, Lyckebovägen 3-1 | 2019-09-14 | 2019-09-14 | 2019 | 1 | |
| Mitchell Auditorium | Mitchell Auditorium | United States of America, Duluth, 1200 Kenwood Ave | 2011-04-11 | -- | 2011 | 1 | |
| MeX Theater | MeX Theater | United States of America, Louisville, Kentucky Center for the Performing Arts, 501 W Main St | 2004-09-23 | 2004-10-02 | 2004 | 1 | |
| Masonic Hall | Masonic Hall | United States of America, Cleveland, 3615 Euclid Ave | 1924-04-09 | 1924-04-12 | 1924 | 1 | |
| Museum of Contemporary Art | Museum of Contemporary Art | United States of America, North Adams, 87 Marshall Street | 2006-04-07 | -- | 2006 | 1 | |
| Mystic Seaport Museum | Mystic Seaport Museum | United States of America, Mystic, 75 Greenmanville Avenue | 2022-07-16 | -- | 2022 | 1 | |
| Minneapolis Theater Garage | Minneapolis Theater Garage | United States of America, 711 W Franklin Ave | 1998-07-31 | 1998-08-30 | 1998 | 1 | |
| McKinleyville High School | McKinleyville High School | United States of America, McKinleyville, 1300 Murray Rd | 2005-12-05 | -- | 2005 | 1 | |
| Mercury Theatre Colchester | Mercury Theatre Colchester | England, Colchester, Essex, Balkerne Gate | 2009-11-05 | 2009-11-21 | 2009 | 1 | |
| Montgomery Theatre | Montgomery Theatre | Canada, North Rustico, 57 Church Hill Avenue | 2011-09-01 | 2011-09-11 | 2011 | 1 | |
| Moustier-Ventadour - Château de Ventadour | Moustier-Ventadour - Château de Ventadour | France | 2023-08-01 | 2023-07-21 | 2023 | 1 | |
| Maison des Arts | Maison des Arts | France, Laon, 2 Place Aubry | 1999-02-05 | -- | 1999 | 1 | |
| Matsumoto | Matsumoto | Japan, Matsumoto | -- | -- | | | |
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