| Mecklenburgisches Landestheater Schwerin | Mecklenburgisches Landestheater Schwerin | Germany, Schwerin, Blutstr. 16 19370 Parchim | 1919-11-02 | 1925-10-09 | 1919–1925 | 3 | |
| MC2 - Maison de la Culture de Grenoble | MC2 - Maison de la Culture de Grenoble | France, Grenoble, 4 Rue Paul Claudel | 2014-02-05 | 2019-03-15 | 2014–2019 | 3 | |
| Melhus | Melhus | Norway, Melhus | 1991-10-14 | -- | 1991–2002 | 3 | |
| McKissick's Opera House | McKissick's Opera House | United States of America, Reno | 1904-01-16 | 1907-01-09 | 1904–1907 | 3 | |
| Mosjøen Kulturhus | Mosjøen Kulturhus | Norway, Mosjøen, Smågan 2 | 2009-04-28 | -- | 2009–2018 | 3 | |
| Mexico | Mexico | Mexico, Mexico | 1930-06- | -- | 1930–1974 | 3 | |
| McCarter Theatre | McCarter Theatre | United States of America, Princeton, 91 University Place | 1973-03-29 | 1996-05-26 | 1973–1996 | 3 | |
| Mandal | Mandal | Norway, Mandal | 1982-11-11 | -- | 1982–1995 | 3 | |
| Mahenovo divadlo | Mahenovo divadlo | Czech Republic, Brno, Malinovského náměstí 1 | 1966-03-04 | 2018-06-05 | 1966–2017 | 3 | |
| Mĕstské divadlo Brno | Mĕstské divadlo Brno | Czech Republic, Brno, Lidická 16 | 1969-01-18 | 2000-05-14 | 1969–2000 | 3 | |
| Městské divadlo Na hradbách | Městské divadlo Na hradbách | Czech Republic, Brno | 1920-01-31 | -- | 1920–1928 | 3 | |
| Machinefabriek, Theater de | Theater de Machinefabriek | Netherlands, Groningen, Bloemstraat 38 | 2013-04-07 | 2016-05-14 | 2013–2016 | 3 | |
| Macauleys Theater | Macauleys Theater | United States of America, Louisville, 315 W Broadway | 1883-12-07 | 1906-12-29 | 1883–1906 | 3 | |
| Madách Színház | Madách Színház | Hungary, Budapest, Erzsébet krt. 29-33 | 1943-04-30 | -- | 1943–1971 | 2 | |
| Moskovski dramatičeski teatr imeni A. Puškina | Moskovski dramatičeski teatr imeni A. Puškina | Russia, Moscow, Tverskoy Blvd, 23 | -- | 2019-05-18 | 2018 | 2 | |
| Metropolitan | Metropolitan | United States of America, Minneapolis | 1906-12-06 | 1910-08-10 | 1906–1910 | 2 | |
| Mjølner Samfunnshus | Mjølner Samfunnshus | Norway, Vigra | 1961-01-29 | -- | 1961–1990 | 2 | |
| Munttheater | Munttheater | Netherlands, Weert, Collegeplein 3 | 2009-10-14 | -- | 2009–2013 | 2 | |
| Maverick Theatre | Maverick Theatre | United States of America, Woodstock, 120 Maverick Rd | 1934-08-09 | 1937-07-25 | 1934–1937 | 2 | |
| Murray Hill Theatre | Murray Hill Theatre | United States of America, New York, 160 E. 34th Street | 1905-04-30 | -- | 1905 | 2 | |
| Moskovskij teatr Sovremennik | Moskovskij teatr Sovremennik | Russia, Moscow, Chistoprudnyy bulvar, 19А | 1979-03-15 | -- | 1979–1989 | 2 | |
| Menstad ungdomsskole | Menstad ungdomsskole | Norway, Skien | 2006-01-24 | 2006-09-29 | 2006 | 2 | |
| Malraux - Scène nationale Chambéry Savoie | Malraux - Scène nationale Chambéry Savoie | France, Chambéry, 67 Place Président Mitterand | 2012-02-07 | 2014-04-25 | 2012–2014 | 2 | |
| Manzanares | Manzanares | Spain, Manzanares | 2010-03-20 | -- | 2010 | 2 | |
| Moat Theatre, The | The Moat Theatre | Ireland, Naas, Co.Kildare | 2007-02-20 | 2019-06-08 | 2007–2019 | 2 | |
| Minard | Minard | Belgium, Gent, Korianderstraat 13 | 2013-02-28 | 2014-05-03 | 2013–2014 | 2 | |
| Market Place | Market Place | Northern Ireland, Armagh, Market St | 2011-05-28 | -- | 2011–2018 | 2 | |
| Montrose Town Centre | Montrose Town Centre | Australia, Montrose | 2001-08-18 | 2004-08-07 | 2001–2004 | 2 | |
| Midtbygda Sentralskole | Midtbygda Sentralskole | Norway, Solfjellsjøen, Dønna, Solfjellsjøen, 8820 Dønna | 1971-03-13 | -- | 1971–1978 | 2 | |
| Music and Dramatic Arts Building, Louisiana State University | Music and Dramatic Arts Building, Louisiana State University | United States of America, Baton Rouge | 1937-01-14 | 1999-10-02 | 1937–1999 | 2 | |
| Mönchengladbach | Mönchengladbach | Germany, Mönchengladbach | 1893-10-09 | -- | 1893–2001 | 2 | |
| Merlin Theatre | Merlin Theatre | England, Frome, Bath Rd | 1993-10-21 | 2014-11-07 | 1993–2014 | 2 | |
| Market Theatre | Market Theatre | South Africa, Johannesburg, 56 Margaret Mcingana St,Johannesburg 2048,Gauteng, Sør-Afrika | 1990-05-08 | 1990-06-09 | 1990–1994 | 2 | |
| Masonic Opera House | Masonic Opera House | United States of America, Chillicothe | 1903-12-05 | 1908-04-06 | 1903–1908 | 2 | |
| Malak gradski teatar zad kanala | Malak gradski teatar "zad kanala" (Malak gradski teatar zad kanala) | Bulgaria, Sofia, 1 Madrid blvd. | 1996-01-12 | 2024-10-27 | 1996–2024 | 2 | |
| Momentum, Teater | Teater Momentum | Denmark, Odense, Filosofgangen 19 | 2013-02-14 | 2016-04-12 | 2013–2016 | 2 | |
| Museum of Contemporary Art, The | The Museum of Contemporary Art | United States of America, Chicago, 220 East Chicago Avenue | 2005-11-30 | 2009-02-15 | 2005–2009 | 2 | |
| Meta-Teatro | Meta-Teatro | Italy, Rome, Via Natale Del Grande, 21 | 1988-03-16 | 1988-04-10 | 1988–1989 | 2 | |
| Moskovskij teatr imeni Leninskogo komsomola | Moskovskij teatr imeni Leninskogo komsomola | Russia, Moscow, ул. М. Дмитровка, 6 | 1939-04-20 | -- | 1939–2011 | 2 | |
| Møre og Romsdal | Møre og Romsdal | Norway, Møre og Romsdal | 1990-05- | 1997-04-30 | 1990–1997 | 2 | |
| Mehamn | Mehamn samfunnshus | Norway, Mehamn | 1968-10-03 | -- | 1968–1970 | 2 | |
| MC93, Salle Christian Bourgois | MC93, Salle Christian Bourgois | France, Bobigny, 1 Boulevard Lénine | 2010-02-11 | 2010-02-14 | 2010 | 2 | |
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