| 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 | |
| Märchenbühne Gudensberg | Märchenbühne Gudensberg | Germany, Gudensberg | 2025-07-06 | -- | 2025 | 1 | |
| Middlesbrough Theatre | Middlesbrough Theatre | England, Middlesbrough, The Avenue | 2005-03-31 | 2005-04-01 | 2005–2011 | 2 | |
| Museum of the Rockies | Museum of the Rockies | United States of America, Montana, 600 West Kagy Blvd Bozeman | 2019-10-10 | 2019-10-20 | 2019 | 1 | |
| Maltings | Maltings | England, Berwick-upon-Tweed, Eastern Ln | 2011-06-16 | -- | 2011 | 1 | |
| Molde kino | Molde kino | Norway, Molde, Gotfried Lies Plass 1. 6415 Molde | 1963-02-20 | 1984-10-31 | 1963–1984 | 7 | |
| Montgomery Theatre | Montgomery Theatre | Canada, North Rustico, 57 Church Hill Avenue | 2011-09-01 | 2011-09-11 | 2011 | 1 | |
| Melhus rådhus | Melhus rådhus | Norway, Melhus, Rådhusvegen 2 | 1983-10-12 | 2015-10-10 | 1983–2022 | 13 | |
| Manchester Library | Manchester Library | United States of America, Manchester, 8067 E Main St | 2006-11-04 | -- | 2006 | 1 | |
| Magdeburg | Magdeburg | Germany, Magdeburg | -- | -- | | | |
| Middelfart Teater | Middelfart Teater | Denmark, Middelfart | 1883-10-19 | -- | 1883–1909 | 6 | |
| Matienzo Cultural Club | Matienzo Cultural Club | Argentina, Buenos Aires, Pringles 1249 | 2018-07-31 | 2018-07-31 | 2018 | 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 | |
| Midlands Arts Centre | Midlands Arts Centre | England, Birmingham, Cannon Hill Park | 1993-10-13 | 1993-10-14 | 1993 | 1 | |
| Mukačeve | Mukačeve | Ukraine, Mukačeve | 1909-01- | 1927-03-08 | 1909–1941 | 8 | |
| Marion | Marion | United States of America, Marion | 1903-12-07 | 1903-12-07 | 1903 | 1 | |
| Myar Opera House | Myar Opera House | United States of America, El Paso | 1903-12-10 | 1903-12-10 | 1903 | 1 | |
| Moray House Theatre | Moray House Theatre | Scotland, Edinburgh | 1969-11-25 | -- | 1969 | 1 | |
| Menotti, Teatro | Teatro Menotti | Italy, Milano, Via Ciro Menotti, 11 | 2018-03-01 | 2018-03-11 | 2018 | 1 | |
| Multnomah Hotel | Multnomah Hotel | United States of America, Portland | 1912-11-22 | 1912-11-22 | 1912 | 1 | |
| Mellomhagen ungdomsskole | Mellomhagen ungdomsskole | Norway, Larvik, Mellomhagen 31 | 2007-02-07 | -- | 2007 | 1 | |
| Max-Reger-Halle | Max-Reger-Halle | Germany, Weiden in der Oberpfalz, Dr.-Pfleger-Straße 17 | 2005-09-26 | -- | 2005 | 1 | |
| Moskovskii gastrolnyj teatr | Moskovskii gastrolnyj teatr | Russia, Moscow | 1957-- | -- | 1957 | 1 | |
| Merchant’s House Museum | Merchant’s House Museum | United States of America, New York, 29 E 4th St | 2011-07-07 | 2011-07-17 | 2011 | 1 | |
| MC93, Salle Christian Bourgois | MC93, Salle Christian Bourgois | France, Bobigny, 1 Boulevard Lénine | 2010-02-11 | 2010-02-14 | 2010 | 2 | |
| Maghemo Secondary School | Maghemo Secondary School | Malawi, Karonga | 2006-06-13 | -- | 2006 | 1 | |
| Mecklenburgisches Landestheater Stralsund | Mecklenburgisches Landestheater Stralsund | Germany, Stralsund | 1950-09-10 | 1950-10-20 | 1950 | 1 | |
| Messepalast Vienna | Messepalast Vienna | Austria, Wien | 1989-05-30 | 1989-06-02 | 1989 | 1 | |
| Maxim Gorki Theater | Maxim Gorki Theater | Germany, Berlin, Am Festungsgraben 2 | 1956-01-11 | 2021-10-09 | 1956–2021 | 18 | |
| 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 | |
| Mini-Theatre Kyo | Mini-Theatre Kyo | Japan, Tokyo | 1999-11-12 | 1999-11-21 | 1999 | 1 | |
| Man in the Moon Theatre | Man in the Moon Theatre | England, London, 392 Kings Road | 1994-01-20 | 1994-01-20 | 1994 | 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 | |
| Ma An Shan Da Juyuan | Ma An Shan Da Juyuan (Ma An Shan Grand Theatre) | China, An'hui, No. 2006 Taibai Road, Ma'anshan, An'hui Province | 2015-01-16 | 2015-01-16 | 2015 | 1 | |
| Metro Arts | Metro Arts | Australia, Brisbane, Edward St | 1994-03-01 | 1994-03-05 | 1994 | 1 | |
| Mahenovo divadlo | Mahenovo divadlo | Czech Republic, Brno, Malinovského náměstí 1 | 1966-03-04 | 2018-06-05 | 1966–2017 | 3 | |
| Moore Theatre | Moore Theatre | United States of America, Seattle | 1910-07-27 | 1910-07-27 | 1910 | 1 | |
| Madhusudan Mancha | Madhusudan Mancha | India, Kolkata, Gariahat Rd, Dhakuria, Babu Bagan, Selimpur, Jodhpur Park | 2010-03-10 | -- | 2010 | 1 | |
| Miljøbygget | Miljøbygget | Norway, Tana, Tana | 1983-11-15 | -- | 1983–2007 | 2 | |
| Městské oblastní divadlo | Městské oblastní divadlo | Czech Republic, Kolín | -- | -- | | | |
| Mayo Teatral | Mayo Teatral | Cuba, Havana | 2006-05-16 | 2006-05-17 | 2006 | 1 | |
| Molesworth Hall | Molesworth Hall | Ireland, Dublin, Molesworth St | 1897-12-14 | 1906-12-08 | 1897–1906 | 2 | |
|
|
