| Melbourne Civic Theatre | Melbourne Civic Theatre | United States, Melbourne, 817 E Strawbridge Ave. | 2019-05-24 | 2019-06-30 | 2019 | 1 | |
| Minsk | Minsk | Belarus, Minsk | 2008-10-09 | 2015-10-10 | 2008–2015 | 2 | |
| Melhus rådhus | Melhus rådhus | Norway, Melhus, Rådhusvegen 2 | 1983-10-12 | 2015-10-10 | 1983–2022 | 13 | |
| Munich | Munich | Germany, Munich | 1993-11-19 | 1993-11-20 | 1993 | 1 | |
| Mikkeli | Mikkeli | Finland, Mikkeli | 1950-- | 1951-- | 1950–2011 | 2 | |
| Minneapolis | Minneapolis | United States, Minneapolis | 1967-09-25 | -- | 1967 | 1 | |
| Middelfart Teater | Middelfart Teater | Denmark, Middelfart | 1883-10-19 | -- | 1883–1909 | 6 | |
| Metropolitan Opera House | Metropolitan Opera House | United States, New York, Lincoln Center Plaza | 1923-10-29 | -- | 1923 | 1 | |
| Maghemo Secondary School | Maghemo Secondary School | Malawi, Karonga | 2006-06-13 | -- | 2006 | 1 | |
| Maihaugsalen | Maihaugsalen | Norway, Lillehammer, Maihaugvegen 1 | 1928-05-17 | 2020-11-05 | 1928–2022 | 15 | |
| Marseille | Marseille | France, Marseille | 1897-03-16 | -- | 1897 | 1 | |
| Micklefield Hall | Micklefield Hall | England, Rickmansworth, Hertfordshire, Sarratt Rd, Sarratt | 2014-03-22 | 2014-03-28 | 2014 | 1 | |
| Maxim Gorki Theater | Maxim Gorki Theater | Germany, Berlin, Am Festungsgraben 2 | 1956-01-11 | 2021-10-09 | 1956–2021 | 18 | |
| Mehamn | Mehamn samfunnshus | Norway, Mehamn | 1968-10-03 | -- | 1968–1970 | 2 | |
| Montfort, Le | Le Montfort | France, Paris, 106 Rue Brancion | 2018-09-18 | 2018-10-06 | 2018 | 1 | |
| Maison des Arts | Maison des Arts | France, Laon, 2 Place Aubry | 1999-02-05 | -- | 1999 | 1 | |
| Madison | Madison | United States, Madison | 1903-12-25 | 1903-12-25 | 1903 | 1 | |
| 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 | |
| Melbourne | Melbourne | Australia, Melbourne | -- | -- | | | |
| Makedonski, Naroden, Teatar | Makedonski Naroden Teatar (Macedonian National Theatre) | Macedonia, Skopje, Iljo Vojvoda, Skopje 1000, Macedonia | 1922-03- | 1934-12- | 1922–2022 | 12 | |
| Městské divadlo Děčín | Městské divadlo Děčín | Czech Republic, Děčín, Teplická 587/75 | 2006-05-29 | -- | 2006 | 1 | |
| Mohila Samity Auditorium | Mohila Samity Auditorium | Bangladesh, Dhaka, New Baily Road | 2002-11-09 | -- | 2002 | 1 | |
| Murnau | Murnau | United States, Murnau | -- | -- | | | |
| Municipal Hall | Municipal Hall | South Korea, Seoul, 110, Sejong-daero, Jung-gu | 1934-06-23 | 1934-06-23 | 1934 | 1 | |
| Mĕstské oblastní divadlo Kolín | Mĕstské oblastní divadlo Kolín | Czech Republic, Kolín | 1954-11-13 | -- | 1954–1957 | 2 | |
| Melbu | Melbu | Norway, Melbu | 1990-09-24 | -- | 1990–1995 | 2 | |
| Microtheater | Microtheater | Netherlands, GX Delft, Kerkstraat 19 | 1994-11-15 | 1994-12-17 | 1994 | 1 | |
| Matadero Madrid | Matadero Madrid | Spain, Madrid, Plaza de Legazpi, 8 | 2008-03-27 | 2008-04-27 | 2008–2020 | 2 | |
| Mittelsächsisches Theater | Mittelsächsisches Theater | Germany, Döbeln, Theaterstraße 7 | 1995-04-09 | -- | 1995 | 1 | |
| Møvig skole | Møvig skole | Norway, Kristiansand, Kristiansand | 2006-10-23 | -- | 2006 | 1 | |
| Metropol-Theater | Metropol-Theater | Germany, Berlin, Friedrichstraße 100-102 | 1903-09-23 | 1905-06-11 | 1903–1910 | 4 | |
| Murighiol | Murighiol | Romania, Murighiol | -- | -- | | | |
| Masque Theater | Masque Theater | United States, New York | 1966-04-18 | -- | 1966 | 1 | |
| Mattoon Theatre | Mattoon Theatre | United States, Mattoon | 1907-11-12 | 1907-11-12 | 1907 | 1 | |
| Miskolci Nemzeti Színház | Miskolci Nemzeti Színház | Hungary, Miskolc, | 1978-03-03 | -- | 1978–1990 | 3 | |
| 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 | |
| Musikteatret Vejle | Musikteatret Vejle | Denmark, Vejle, Vedelsgade 25 | 2002-11-05 | -- | 2002–2018 | 5 | |
| Mikhailovsky Theatre | Mikhailovsky Theatre | Russia, St. Petersburg, Arts Square | 1878-11-20 | -- | 1878 | 1 | |
| Meieriet Kultursenter | Meieriet Kultursenter | Norway, Leknes, Storgata 27 | 2018-04-15 | -- | 2018 | 1 | |
| Market Place | Market Place | Northern Ireland, Armagh, Market St | 2011-05-28 | -- | 2011–2018 | 2 | |
| Merrimack Repertory Theatre | Merrimack Repertory Theatre | United States, Lowell, 50 E Merrimack St | 1991-03-20 | 1991-04-06 | 1991 | 1 | |
| Moskovskij literaturnyj teatr | Moskovskij literaturnyj teatr | Russia, Moscow | 1958-06- | -- | 1958 | 1 | |
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