| Mosjøen | Mosjøen | Norway, Mosjøen | 1966-05-08 | -- | 1966–2005 | 6 | |
| Miorcani (Rădăuţi-Prut) | Miorcani (Rădăuţi-Prut) | Romania, Miorcani (Rădăuţi-Prut) | -- | -- | | | |
| Moustier, Le | Le Moustier | France, Thorigny-sur-Marne, 1 Rue du Moustier | 2017-03-17 | -- | 2017 | 1 | |
| Multnomah Hotel | Multnomah Hotel | United States of America, Portland | 1912-11-22 | 1912-11-22 | 1912 | 1 | |
| Monsummano Terme | Monsummano Terme | Italy, Monsummano Terme | 2016-03-10 | -- | 2016 | 1 | |
| Milan | Milan | Italy, Milan | 1899-12-12 | -- | 1899 | 1 | |
| Městské divadlo Plzeň | Městské divadlo Plzeň | Czech Republic, Plzeň | 1941-11-22 | -- | 1941 | 1 | |
| Musikefterskolen i Humble | Musikefterskolen i Humble | Denmark, Humble, Hovedgaden 21 | 2013-10-21 | -- | 2013 | 1 | |
| Mittelsächsisches Theater | Mittelsächsisches Theater | Germany, Döbeln, Theaterstraße 7 | 1995-04-09 | -- | 1995 | 1 | |
| Marquette Theatre | Marquette Theatre | United States of America, Louisiana | 2024-09-05 | 2024-09-22 | 2024 | 1 | |
| Myklebust barne- og ungdomsskule | Myklebust barne- og ungdomsskule | Norway, Syvde | 2006-10-03 | -- | 2006 | 1 | |
| Mezőhegyes | Mezőhegyes | Hungary, Mezőhegyes | 1925-08-06 | -- | 1925 | 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 | |
| Megárou – To Mégaro Mousikís Athinón | Megárou – To Mégaro Mousikís Athinón (Megaron - The Athens Concert Hall) | Greece, Athens, Megaron Underground Vas. Sophias & Kokkali sts | 2020-02-01 | 2020-02-29 | 2020 | 1 | |
| Mercury Theatre Colchester | Mercury Theatre Colchester | England, Colchester, Essex, Balkerne Gate | 2009-11-05 | 2009-11-21 | 2009 | 1 | |
| Macdonough Theatre | Macdonough Theatre | United States of America, Oakland | 1904-01-08 | 1908-12-16 | 1904–1908 | 7 | |
| Morphou | Morphou | Cyprus, Morphou | 1973-03-01 | 1974-05-29 | 1973–1974 | 2 | |
| Mikhajlovskij teatr | Mikhajlovskij teatr | Russia, St. Petersburg, пл. Искусств, 1 | 2005-04-05 | 2005-04-06 | 2005 | 1 | |
| Møre og Romsdal | Møre og Romsdal | Norway, Møre og Romsdal | 1990-05- | 1997-04-30 | 1990–1997 | 2 | |
| Munye Theatre | Munye Theatre | South Korea, Seoul | 2000-08-27 | 2000-09-03 | 2000 | 1 | |
| Maison des arts de Laval | Maison des arts de Laval | Canada, Laval, 1395 boulevard de la Concorde | 2016-10-07 | 2016-10-09 | 2016 | 1 | |
| Madhusudan Mancha | Madhusudan Mancha | India, Kolkata, Gariahat Rd, Dhakuria, Babu Bagan, Selimpur, Jodhpur Park | 2010-03-10 | -- | 2010 | 1 | |
| Music Hall | Music Hall | United States of America, Akron | 1908-04-10 | 1908-04-10 | 1908 | 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 | |
| Manbites Dog Theater | Manbites Dog Theater | United States of America, Durham, 703 Foster St | 2006-02-02 | 2006-02-19 | 2006 | 1 | |
| Moskovskij dramatieeskij teatr imeni N. Baumana | Moskovskij dramatieeskij teatr imeni N. Baumana | Russia, Moscow | 1938-10-05 | -- | 1938 | 1 | |
| Muhlenberg College Theatre | Muhlenberg College Theatre | United States of America | 2024-11-14 | 2024-11-17 | 2024 | 1 | |
| Mysen, Festiviteten | Festiviteten Mysen (Festiviteten) | Norway, Mysen, Storgaten 28 | 1960-10-22 | -- | 1960–2005 | 6 | |
| Minneapolis | Minneapolis | United States of America, Minneapolis | 1967-09-25 | -- | 1967 | 1 | |
| Manhatten | Manhatten | United States of America, New York | 1989-01-24 | -- | 1989 | 1 | |
| M/S Kronborg | M/S Kronborg | Denmark, Copenhagen | 1996-11-10 | 1996-11-13 | 1996 | 1 | |
| Morelia | Morelia | Mexico, Morelia | 2006-06-02 | -- | 2006 | 1 | |
| Münchner Kammerspiele | Münchner Kammerspiele | Germany, Munich, Maximilianstraße 28 | 1900-11-08 | 2023-03-02 | 1900–2022 | 31 | |
| Maskavas Latviešu teātris | Maskavas Latviešu teātris | Russia, Moscow, Moscow | 1917-01-14 | -- | 1917 | 1 | |
| Micklefield Hall | Micklefield Hall | England, Rickmansworth, Hertfordshire, Sarratt Rd, Sarratt | 2014-03-22 | 2014-03-28 | 2014 | 1 | |
| Marloo Theatre | Marloo Theatre | Australia, Greenmount, 20 Marloo Road | 2008-07-16 | 2008-08-02 | 2008 | 1 | |
| Montgomery Theatre | Montgomery Theatre | Canada, North Rustico, 57 Church Hill Avenue | 2011-09-01 | 2011-09-11 | 2011 | 1 | |
| Montereau | Montereau | France, Montereau | 1999-02-15 | 1999-02-19 | 1999 | 1 | |
| Mainfranken Theatre | Mainfranken Theatre | Germany, Wurzburg, Fürth, Theaterstraße 21 | 2006-10-01 | 2007-04-13 | 2006 | 2 | |
| Mladinski Kulturen Centar | Mladinski Kulturen Centar (MKC) (Youth Cultural Center Skopje) | Macedonia, Skopje, 15 MK, Dimitar Vlahov Walk 1000, | 2013-09-21 | 2013-09-21 | 2013 | 1 | |
| Murnau | Murnau | United States of America, Murnau | -- | -- | | | |
| Medborgarhuset | Medborgarhuset | Sweden, Vansbro, Norra Allégatan 30 | 2010-10-28 | -- | 2010 | 1 | |
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