| Münchner Kammerspiele | Münchner Kammerspiele | Germany, Munich, Maximilianstraße 28 | 1900-11-08 | 2016-01-13 | 1900–2016 | 30 | |
| Miskolci Nemzeti Színház | Miskolci Nemzeti Színház | Hungary, Miskolc, | 1978-03-03 | -- | 1978–1990 | 3 | |
| Metropol-Theater | Metropol-Theater | Germany, Berlin, Friedrichstraße 100-102 | 1903-09-23 | 1905-06-11 | 1903–1910 | 4 | |
| Moustier, Le | Le Moustier | France, Thorigny-sur-Marne, 1 Rue du Moustier | 2017-03-17 | -- | 2017 | 1 | |
| Mirano, Teatro di | Teatro di Mirano | Italy, Mirano, Via Vittoria, 75 | 2018-01-25 | -- | 2018 | 2 | |
| Moineşti | Moineşti | Romania, Moineşti | -- | -- | | | |
| Mogilevskij Dramatičeski Teatr | Mogilevskij Dramatičeski Teatr (Mahilioŭ Regional Drama Theater) | Belarus, Mogilev, Pieršamajskaja St 7 | -- | -- | | | |
| Mĕstské divadlo Brno | Mĕstské divadlo Brno | Czech Republic, Brno, Lidická 16 | 1969-01-18 | 2000-05-14 | 1969–2000 | 3 | |
| Matsuyama | Matsuyama | Japan, Matsuyama | 2010-03-09 | 2010-03-10 | 2010 | 1 | |
| Magdeburg | Magdeburg | Germany, Magdeburg | -- | -- | | | |
| Městské divadlo Pardubice | Městské divadlo Pardubice | Czech Republic, Pardubice | 1939-10-03 | -- | 1939 | 1 | |
| Mozarts Plads | Mozarts Plads | Denmark, Hillerød, Kongens Vrænge 2 | 2014-08-29 | 2014-08-31 | 2014 | 1 | |
| Münchner Volkstheater | Münchner Volkstheater | Germany, Munich, Brienner Str. 50 | 2002-03-01 | 2013-03-02 | 2002–2013 | 7 | |
| Meininger Theater – Südthüringisches Staatstheater, Das | Das Meininger Theater – Südthüringisches Staatstheater | Germany, Meiningen, Bernhardstr. 5 | 1999-10-15 | 2013-02-17 | 1999–2012 | 2 | |
| Mainfranken Theatre | Mainfranken Theatre | Germany, Wurzburg, Fürth, Theaterstraße 21 | 2006-10-01 | 2007-04-13 | 2006 | 2 | |
| Mosonmagyaróvár | Mosonmagyaróvár | Hungary, Mosonmagyaróvár | 1924-05-02 | -- | 1924–1936 | 4 | |
| Morosco's | Morosco's | United States, Los Angeles | 1899-11-10 | 1906-07-19 | 1899–1906 | 4 | |
| Møvig skole | Møvig skole | Norway, Kristiansand, Kristiansand | 2006-10-23 | -- | 2006 | 1 | |
| Melbu | Melbu | Norway, Melbu | 1990-09-24 | -- | 1990–1995 | 2 | |
| Mershon Auditorium, Wexner Center for the Arts | Mershon Auditorium, Wexner Center for the Arts | United States, Columbus, 1871 North High Street | 2005-11-16 | 2005-11-20 | 2005 | 1 | |
| Marker Ungdomskole | Marker Ungdomskole | Norway, Marker, Marker | 2005-11-23 | -- | 2005 | 1 | |
| Mariehamn | Mariehamn | Finland, Åland Islands | 1999-10-09 | 1999-10-24 | 1999 | 1 | |
| MSH Rendezvényház Kht. | MSH Rendezvényház Kht. | Hungary, Szombathely, Március 15 tér | 2007-03-06 | -- | 2007 | 1 | |
| Murray Hill Theatre | Murray Hill Theatre | United States, New York, 160 E. 34th Street | 1905-04-30 | -- | 1905 | 2 | |
| 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 | |
| M.L. Bhartia Auditorium | M.L. Bhartia Auditorium | India, New Dehli, Alliance Francaise De Delhi 72 | 2018-03-08 | -- | 2018 | 1 | |
| Minneapolis Theater Garage | Minneapolis Theater Garage | United States, 711 W Franklin Ave | 1998-07-31 | 1998-08-30 | 1998 | 1 | |
| Maison de la Culture de Tournai | Maison de la Culture de Tournai | Belgium, Tournai, Avenue des Frères Rimbaut 2 | 1996-02-27 | 1996-02-28 | 1996–2004 | 2 | |
| Munttheater | Munttheater | Netherlands, Weert, Collegeplein 3 | 2009-10-14 | -- | 2009–2013 | 2 | |
| Mallette Studio Theatre | Mallette Studio Theatre | United States, Evansville, 8600 University Blvd | 2010-03-18 | 2010-04-02 | 2010 | 1 | |
| Memorial Hall Wish Theater | Memorial Hall Wish Theater | United States, Brunswick | 2007-03-01 | 2007-03-03 | 2007 | 1 | |
| McLeod Theater, Southern Illinois University | McLeod Theater, Southern Illinois University | United States, Carbondale, 1100 Lincoln Dr | 1960-02-19 | 2003-12-07 | 1960–2003 | 4 | |
| Maison des Arts | Maison des Arts | France, Laon, 2 Place Aubry | 1999-02-05 | -- | 1999 | 1 | |
| Millfield Theatre | Millfield Theatre | England, London, Silver Street, Edmonton | 2011-06-07 | 2014-01-25 | 2011–2014 | 2 | |
| Mandell Weiss FORUM Theatre | Mandell Weiss FORUM Theatre | United States, La Jolla, 2910 La Jolla Village Dr | 2011-02-18 | 2011-02-26 | 2011 | 1 | |
| Melville | Melville | Australia, Perth | 2012-07-13 | 2012-07-28 | 2012 | 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 | |
| Meiqi-teatret | Meiqi-teatret | China, Shanghai, 66 Jiangning Lu | 1995-11- | 2017-09-10 | 1995–2017 | 2 | |
| Mittelsächsisches Theater | Mittelsächsisches Theater | Germany, Freiberg, Borngasse 1 | 1995-04-01 | 2014-02-20 | 1995–2013 | 2 | |
| Magyar Színház | Magyar Színház | Hungary, Budapest, Hevesi Sándor tér 4 | 1917-06-02 | 1925-06-19 | 1917–1930 | 6 | |
| Manzanares | Manzanares | Spain, Manzanares | 2010-03-20 | -- | 2010 | 2 | |
| Metropolitan Theatre | Metropolitan Theatre | United States, Grand Forks, 116 South Third Street | 1909-01-27 | 1909-01-27 | 1909–1930 | 2 | |
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