| Městské divadlo Pardubice | Městské divadlo Pardubice | Czech Republic, Pardubice | 1939-10-03 | -- | 1939 | 1 | |
| MIT Kresge Little Theatre | MIT Kresge Little Theatre | United States of America, Cambridge, 48 Massachusetts Ave (in MIT Kresge Auditorium) | 1998-05-07 | 1998-05-09 | 1998 | 1 | |
| Music Hall at Fair Park | Music Hall at Fair Park | United States of America, Dallas, Preston Royal, 909 First Avenue | 2012-10-26 | 2012-10-28 | 2012 | 1 | |
| Moskovski teatr "Angažement" | Moskovski teatr "Angažement" | Russia, Moscow | 1998-- | -- | 1998 | 1 | |
| Minot Public School | Minot Public School | United States of America, Minot, 215 2nd St SE | 2006-10-13 | -- | 2006 | 1 | |
| Morosco's | Morosco's | United States of America, Los Angeles | 1899-11-10 | 1906-07-19 | 1899–1906 | 4 | |
| Mikkelin Teatteri | Mikkelin Teatteri | Finland, Mikkeli, Savilahdenkatu 11 | 1980-02-21 | -- | 1980 | 1 | |
| MC93, Salle Christian Bourgois | MC93, Salle Christian Bourgois | France, Bobigny, 1 Boulevard Lénine | 2010-02-11 | 2010-02-14 | 2010 | 2 | |
| Meiningen | Meiningen | Germany, Meiningen | -- | -- | | | |
| Manzoni, Teatro | Teatro Manzoni | Italy, Pistoia | 1974-10-26 | 2016-03-09 | 1974–2020 | 6 | |
| Manhatten | Manhatten | United States of America, Manhatten | -- | -- | | | |
| Millbank Theatre, The | The Millbank Theatre | Ireland, Rush, Co Dublin, Chapel Green | 2007-02-27 | -- | 2007 | 1 | |
| Morsø Teater | Morsø Teater | Denmark, Nykjøbing Mors, Limfjordsvej 95 | 2002-03-07 | 2016-04-29 | 2002–2016 | 6 | |
| Moscow Academic Mayakovsky Theatre | Moscow Academic Mayakovsky Theatre | Russia, Moscow, Bolshaya Nikitskaya Street, 19/13 | 2013-04-27 | -- | 2013 | 1 | |
| Munroe Park Theater Guild, The | The Munroe Park Theater Guild | United States of America, 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 | |
| Magnetic Theatre, The | The Magnetic Theatre | United States of America, Asheville, 375 Depot St | 2018-04-19 | 2018-05-05 | 2018 | 1 | |
| Maitland Repertory Theatre | Maitland Repertory Theatre | Australia, Maitland, 244 High St | 2020-12-09 | 2020-12-19 | 2020 | 1 | |
| Meadow Brook Theatre | Meadow Brook Theatre | United States of America, Rochester, 207 Wilson Blvd | 1967-11-10 | -- | 1967 | 1 | |
| Memorial Hall Wish Theater | Memorial Hall Wish Theater | United States of America, Brunswick | 2007-03-01 | 2007-03-03 | 2007 | 1 | |
| Moyse Hall | Moyse Hall | Canada, Montréal, 853 Rue Sherbrooke O | 1933-10-18 | 1933-10-21 | 1933 | 1 | |
| Městské oblastní divadlo | Městské oblastní divadlo | Czech Republic, Kolín | -- | -- | | | |
| Mesterfjellet ungdomsskole | Mesterfjellet ungdomsskole | Norway, Larvik, Kristian Fredriks vei 3 | 2007-02-08 | -- | 2007 | 1 | |
| Molesworth Hall | Molesworth Hall | Ireland, Dublin, Molesworth St | 1897-12-14 | 1906-12-08 | 1897–1906 | 2 | |
| Maine Community Hall | Maine Community Hall | United States of America, Maine | 2009-05-10 | -- | 2009 | 1 | |
| Man in the Moon Theatre | Man in the Moon Theatre | England, London, 392 Kings Road | 1994-01-20 | 1994-01-20 | 1994 | 1 | |
| Munken kino | Munken kino | Norway, Larvik | 1927-09-08 | 1998-11-19 | 1927–2008 | 22 | |
| Marienwerder | Marienwerder | Poland, Kwidzyn | 1878-- | -- | 1878 | 1 | |
| Mandell Weiss Theater | Mandell Weiss Theater | United States of America, San Diego, Revelle College Dr | 1998-05-19 | 2014-02-08 | 1998–2014 | 2 | |
| Mandell Weiss FORUM Theatre | Mandell Weiss FORUM Theatre | United States of America, La Jolla, 2910 La Jolla Village Dr | 2011-02-18 | 2011-02-26 | 2011 | 1 | |
| Markt, Theater am | Theater am Markt | Germany, Eisenach, Goldschmiedenstraße 12 | 2018-11-24 | 2019-03-02 | 2018 | 1 | |
| Multipalco Eva Sopher | Teatro Oficina Olga Reverbel do Multipalco Eva Sopher | Brazil | 2023-06-04 | 2023-06-06 | 2023 | 1 | |
| Művész Színház | Művész Színház | Hungary, Budapest, Paulay Ede utca 35. | 1948-01-08 | -- | 1948 | 1 | |
| Mulitz-Gudelsky Theatre Lab | Mulitz-Gudelsky Theatre Lab | United States of America, Olney, 2001 Olney Sandy Spring Rd | 2006-06-20 | 2006-08-27 | 2006 | 2 | |
| Midland Hotel Theatre | Midland Hotel Theatre | England, Manchester, 16 Peter Street | 1905-03-24 | -- | 1905 | 1 | |
| Moelv | Moelv | Norway, Moelv | 1966-04-23 | -- | 1966–1991 | 3 | |
| Mosjøen Kulturhus | Mosjøen Kulturhus | Norway, Mosjøen, Smågan 2 | 2009-04-28 | -- | 2009–2018 | 3 | |
| Mecklenburgisches Landestheater Schwerin | Mecklenburgisches Landestheater Schwerin | Germany, Schwerin, Blutstr. 16 19370 Parchim | 1919-11-02 | 1925-10-09 | 1919–1925 | 3 | |
| Main Campus, Norman R. Roberts Lab Theatre, Kopecek Hall | Main Campus, Norman R. Roberts Lab Theatre, Kopecek Hall | United States of America, Bethlehem | 2013-11-21 | 2013-11-25 | 2013 | 1 | |
| Manhattan Opera House | Manhattan Opera House | United States of America, New York, 311 West 34th St | 1920-09-06 | -- | 1920 | 1 | |
| Melhus | Melhus | Norway, Melhus | 1991-10-14 | -- | 1991–2002 | 3 | |
| Montrose Town Centre | Montrose Town Centre | Australia, Montrose | 2001-08-18 | 2004-08-07 | 2001–2004 | 2 | |
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