| Mountview Academy of Theatre Arts | Mountview Academy of Theatre Arts | England, London, Clarendon Rd | 2004-06-17 | 2004-06-25 | 2004 | 1 | |
| Moustier-Ventadour - Château de Ventadour | Moustier-Ventadour - Château de Ventadour | France | 2023-08-01 | 2023-07-21 | 2023 | 1 | |
| Moustier, Le | Le Moustier | France, Thorigny-sur-Marne, 1 Rue du Moustier | 2017-03-17 | -- | 2017 | 1 | |
| Moyse Hall | Moyse Hall | Canada, Montréal, 853 Rue Sherbrooke O | 1933-10-18 | 1933-10-21 | 1933 | 1 | |
| Mozart Salon | Mozart Salon | Japan, Tokyo | 1983-10-25 | 1983-10-29 | 1983 | 1 | |
| Mozarts Plads | Mozarts Plads | Denmark, Hillerød, Kongens Vrænge 2 | 2014-08-29 | 2014-08-31 | 2014 | 1 | |
| Mrs. Osborn's Theatre | Mrs. Osborn's Theatre | United States, New York, 44th St., near 5th Ave | 1903-03-03 | -- | 1903 | 1 | |
| MSH Rendezvényház Kht. | MSH Rendezvényház Kht. | Hungary, Szombathely, Március 15 tér | 2007-03-06 | -- | 2007 | 1 | |
| Muhsin Ertugrul Sahnesi | Muhsin Ertugrul Sahnesi | Turkey, Istanbul, Harbiye Mh., Darülbedayi Cd. No:3 | 1998-05-30 | 2023-04-19 | 1998–2023 | 4 | |
| Mukačeve | Mukačeve | Ukraine, Mukačeve | 1909-01- | 1927-03-08 | 1909–1941 | 8 | |
| Muktadhara Auditorium | Muktadhara Auditorium | India, New Delhi, 18 - 19, Bhai Veer Singh Marg, Gole Market, Connaught Place | 2007-04-15 | -- | 2007 | 1 | |
| Mulanje View Motell | Mulanje View Motell | Malawi, Mulanje | 2006-07-23 | -- | 2006 | 1 | |
| Mulitz-Gudelsky Theatre Lab | Mulitz-Gudelsky Theatre Lab | United States, Olney, 2001 Olney Sandy Spring Rd | 2006-06-20 | 2006-08-27 | 2006 | 2 | |
| Mullion School | Mullion School | England, Mullion, Helston, Meaver Rd, | 2013-10-11 | 2013-10-12 | 2013 | 1 | |
| Multipalco Eva Sopher | Teatro Oficina Olga Reverbel do Multipalco Eva Sopher | Brazil | 2023-06-04 | 2023-06-06 | 2023 | 1 | |
| Multnomah Hotel | Multnomah Hotel | United States, Portland | 1912-11-22 | 1912-11-22 | 1912 | 1 | |
| Mumford Theatre, The | The Mumford Theatre | England, Cambridge, Cambridgeshire, Anglia Ruskin University East Road | 2010-11-08 | -- | 2010–2018 | 3 | |
| Mundford Village Hall | Mundford Village Hall | England, Mundford Thetford Norfolk, St Leonards Street | 2007-12-04 | -- | 2007 | 1 | |
| Munich | Munich | Germany, Munich | 1993-11-19 | 1993-11-20 | 1993 | 1 | |
| Municipal Hall | Municipal Hall | South Korea, Seoul, 110, Sejong-daero, Jung-gu | 1934-06-23 | 1934-06-23 | 1934 | 1 | |
| Municipal Regional Theatre (DIPETHE) of Ioannina | Municipal Regional Theatre (DIPETHE) of Ioannina | Greece, Ioannina, Papazoglou 5 | 2020-03- | 2020-03- | 2020 | 1 | |
| Munken kino | Munken kino | Norway, Larvik | 1927-09-08 | 1998-11-19 | 1927–2008 | 22 | |
| Munroe Park Theater Guild, The | The Munroe Park Theater Guild | United States, Chicago, 2617 W. 105th Street | 2001-09-20 | 2001-09-22 | 2001 | 1 | |
| Munttheater | Munttheater | Netherlands, Weert, Collegeplein 3 | 2009-10-14 | -- | 2009–2013 | 2 | |
| Munye Theatre | Munye Theatre | South Korea, Seoul | 2000-08-27 | 2000-09-03 | 2000 | 1 | |
| Murfatlar (Basarabi) | Murfatlar (Basarabi) | Romania, Murfatlar (Basarabi) | -- | -- | | | |
| Murighiol | Murighiol | Romania, Murighiol | -- | -- | | | |
| Muritai School Theatre | Muritai School Theatre | New Zealand, Wellington, Muritai Rd, | 2012-07-19 | 2012-07-28 | 2012 | 1 | |
| Murnau | Murnau | United States, Murnau | -- | -- | | | |
| Murray Hill Theatre | Murray Hill Theatre | United States, New York, 160 E. 34th Street | 1905-04-30 | -- | 1905 | 2 | |
| Musée Maurice Denis | Musée Maurice Denis | France, Saint-Germain-en-Laye, 2 rue Maurice Denis | 2008-05-17 | 2008-05-17 | 2008 | 1 | |
| Museo do Oriente | Museu do Oriente (Museum of the Orient) | Portugal, Lisbon, Doca de Alcantara Norte, Av. Brasília, 1350-352 | 2020-12-28 | 2020-12-30 | 2020 | 1 | |
| Museum of Contemporary Art | Museum of Contemporary Art | United States, North Adams, 87 Marshall Street | 2006-04-07 | -- | 2006 | 1 | |
| Museum of Contemporary Art, The | The Museum of Contemporary Art | United States, Chicago, 220 East Chicago Avenue | 2005-11-30 | 2009-02-15 | 2005–2009 | 2 | |
| Museum of the Rockies | Museum of the Rockies | United States, Montana, 600 West Kagy Blvd Bozeman | 2019-10-10 | 2019-10-20 | 2019 | 1 | |
| Music and Dramatic Arts Building, Louisiana State University | Music and Dramatic Arts Building, Louisiana State University | United States, Baton Rouge | 1937-01-14 | 1999-10-02 | 1937–1999 | 2 | |
| Music Auditorium, University of Minnesota | Music Auditorium, University of Minnesota | United States, Minneapolis | 1933-06-21 | 1940-10-22 | 1933–1940 | 2 | |
| Music Hall | Music Hall | United States, Akron | 1908-04-10 | 1908-04-10 | 1908 | 1 | |
| Music Hall at Fair Park | Music Hall at Fair Park | United States, Dallas, Preston Royal, 909 First Avenue | 2012-10-26 | 2012-10-28 | 2012 | 1 | |
| Music Hall Chicago | Music Hall Chicago | United States, Chicago, 1020 W Sheridan Rd | 1905-03-29 | 1907-06-08 | 1905–1907 | 3 | |
| Musical Theatre Works (MTW) | Musical Theatre Works (MTW) | United States, New York | 2000-11-03 | 2000-11-12 | 2000 | 1 | |
| Musik-Mittelschule Henndorf | Musik-Mittelschule Henndorf | Austria, Henndorf am Wallersee, Sportplatzstraße 10 | 2018-04-20 | 2018-04-24 | 2018 | 1 | |
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