| Meråker, Samfunnshuset | Samfunnshuset Meråker (Meraaker) | Norway, Meråker | 1956-11-08 | -- | 1956–1961 | 4 | |
| Metropolitan | Metropolitan | United States, Minneapolis | 1906-12-06 | 1910-08-10 | 1906–1910 | 2 | |
| Media | Media | United States, Pennsylvania | 1931-10-30 | 1941-05-14 | 1931–1939 | 4 | |
| Maaspoort | Maaspoort | Netherlands, Venlo, Oude Markt 30 | 2009-10-28 | -- | 2009–2013 | 2 | |
| Mulanje View Motell | Mulanje View Motell | Malawi, Mulanje | 2006-07-23 | -- | 2006 | 1 | |
| Makó | Makó | Hungary, Makó | 1890-05-12 | -- | 1890–1940 | 14 | |
| Massachusetts Institute of Technology (MIT) | Massachusetts Institute of Technology (MIT) | United States, Cambridge, 77 Massachusetts Ave | 1964-01-24 | -- | 1964 | 1 | |
| Musikhuset Esbjerg | Musikhuset Esbjerg | Denmark, Esbjerg, Havnegade 18 | 2004-11-01 | -- | 2004–2018 | 4 | |
| Medway Little Theatre | Medway Little Theatre | England, Rochester, 256 High Street | 2016-05-10 | 2016-05-21 | 2016 | 1 | |
| Maison des Arts de Creteil | Maison des Arts de Creteil | France, Paris, Place Salvador Allende | 1996-04-12 | 1996-04-13 | 1996 | 1 | |
| Meadow Brook Theatre | Meadow Brook Theatre | United States, Rochester, 207 Wilson Blvd | 1967-11-10 | -- | 1967 | 1 | |
| Melbu | Melbu | Norway, Melbu | 1990-09-24 | -- | 1990–1995 | 2 | |
| Městské divadlo v Mostě | Městské divadlo v Mostě | Czech Republic, Most, Divadelní 15 | 1991-03-22 | -- | 1991 | 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 | |
| Maxine Elliott's Theatre | Maxine Elliott's Theatre | United States, New York, 109 West 39th Street | 1925-11-10 | -- | 1925 | 1 | |
| Münchener Künstler-Theater | Münchener Künstler-Theater | Germany, Munich | 1914-07-30 | -- | 1914 | 1 | |
| Mark Hellinger Theatre | Mark Hellinger Theatre | United States, Manhattan, 237 West 51st Street | 1982-09-23 | -- | 1982 | 1 | |
| Main Stage Theatre | Main Stage Theatre | United States, Addison, 15650 Addison Rd | 2018-10-12 | 2018-11-04 | 2018 | 1 | |
| Markgrafentheater | Markgrafentheater | Germany, Erlangen, Theaterpl. 2 | 2000-03-09 | 2010-06-13 | 2000–2010 | 4 | |
| Maison des Arts et des Congrès | Maison des Arts et des Congrès | France, Niederbronn-Les-Bains, 42 Avenue Foch | 2000-01-15 | -- | 2000 | 1 | |
| Mărăşeşti | Mărăşeşti | Romania, Mărăşeşti | -- | -- | | | |
| Masonic Temple | Masonic Temple | United States, Portland | 1910-02-28 | 1910-02-28 | 1910 | 1 | |
| Mellösagården | Mellösagården | Sweden, Mellösa, Lyckebovägen 3-1 | 2019-09-14 | 2019-09-14 | 2019 | 1 | |
| Middlesbrough Theatre | Middlesbrough Theatre | England, Middlesbrough, The Avenue | 2005-03-31 | 2005-04-01 | 2005–2011 | 2 | |
| Master Institute Theatre | Master Institute Theatre | United States, New York | 1947-04-26 | 1947-05-02 | 1947 | 1 | |
| Maison de Culture Famenne-Ardenne, Marche | Maison de Culture Famenne-Ardenne, Marche | Belgium, Marche-en-Famenne, Chaussée de l’Ourthe, 74 | 1997-10-23 | -- | 1997 | 1 | |
| Maltings | Maltings | England, Berwick-upon-Tweed, Eastern Ln | 2011-06-16 | -- | 2011 | 1 | |
| Moskovskij teatr Sovremennik | Moskovskij teatr Sovremennik | Russia, Moscow, Chistoprudnyy bulvar, 19А | 1979-03-15 | -- | 1979–1989 | 2 | |
| Manchester Library | Manchester Library | United States, Manchester, 8067 E Main St | 2006-11-04 | -- | 2006 | 1 | |
| Minot Public School | Minot Public School | United States, Minot, 215 2nd St SE | 2006-10-13 | -- | 2006 | 1 | |
| Művész Színház | Művész Színház | Hungary, Budapest, Paulay Ede utca 35. | 1948-01-08 | -- | 1948 | 1 | |
| Mariehamn | Mariehamn | Finland, Åland Islands | 1999-10-09 | 1999-10-24 | 1999 | 1 | |
| mac Birmingham | mac Birmingham | England, Birmingham, Cannon Hill Park | 1993-10-13 | 1993-10-14 | 1993 | 1 | |
| Midsund Ungdomsskole | Midsund Ungdomsskole | Norway, Midsund | 1990-02-28 | -- | 1990 | 1 | |
| Manzoni, Teatro | Teatro Manzoni | Italy, Pistoia | 1974-10-26 | 2016-03-09 | 1974–2020 | 5 | |
| Mandal | Mandal | Norway, Mandal | 1982-11-11 | -- | 1982–1995 | 3 | |
| Mansfield | Mansfield | United States, Mansfield | 1903-10-23 | 1903-10-23 | 1903 | 1 | |
| Moskovskij teatr imeni Leninskogo komsomola | Moskovskij teatr imeni Leninskogo komsomola | Russia, Moscow, ул. М.Дмитровка, 6 | 1939-04-20 | -- | 1939–2011 | 2 | |
| Moskovski teatr na Taganke | Moskovski teatr na Taganke | Russia, Moscow, Zemlyanoy Val, 76/21 | 2013-06-12 | -- | 2013 | 1 | |
| Mascheranova, Teatro | Teatro Mascheranova | Italy, Pontecagnano Faiano, Via Isonzo, 6-10 | 2018-02-17 | 2018-03-11 | 2018 | 1 | |
| Meteleu(Scutelnici) | Meteleu (Scutelnici) | Romania, Meteleu(Scutelnici) | -- | -- | | | |
| Multnomah Hotel | Multnomah Hotel | United States, Portland | 1912-11-22 | 1912-11-22 | 1912 | 1 | |
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