| Městské divadlo Jablonec nad Nisou | Městské divadlo Jablonec nad Nisou | Czech Republic, Jablonec nad Nisou, Liberecká 5/1900 | 2006-12-04 | -- | 2006 | 1 | |
| Malkasten-Haus | Malkasten-Haus | Germany, Düsseldorf, Jacobistraße 6a | 1964-03-09 | -- | 1964 | 1 | |
| Milan | Milan | Italy, Milan | 1899-12-12 | -- | 1899 | 1 | |
| Muskogee High School | Muskogee High School | United States of America, Muskogee, 3200 E Shawnee Rd | 1910-12-23 | 1910-12-23 | 1910 | 1 | |
| Magyar Állami Operaház | Magyar Állami Operaház (Hungarian State Opera House) | Hungary, Budapest, Andrássy út 22 | 2017-04-10 | -- | 2017 | 1 | |
| Městské divadlo Kladno | Městské divadlo Kladno | Czech Republic, Kladno | 1954-05-31 | -- | 1954 | 1 | |
| Milepelen, Sand | Milepelen, Sand | Norway, Sagstua, Bunesveien 19 | 2017-10-06 | -- | 2017 | 1 | |
| Myeongdong Theater | Myeongdong Theater | South Korea, Seoul, 35 Myeongdong-gil, Jung-gu | 2012-05-02 | 2012-05-28 | 2012 | 1 | |
| Markideio Theatro | Markideio Theatro | Cyprus, Paphos, Andrea Geroudi | 2008-04-18 | -- | 2008 | 1 | |
| Marienwerder | Marienwerder | Poland, Kwidzyn | 1878-- | -- | 1878 | 1 | |
| Montfort, Le | Le Montfort | France, Paris, 106 Rue Brancion | 2018-09-18 | 2018-10-06 | 2018 | 1 | |
| Marion | Marion | United States of America, Marion | 1903-12-07 | 1903-12-07 | 1903 | 1 | |
| Művész Színház | Művész Színház | Hungary, Budapest, Paulay Ede utca 35. | 1948-01-08 | -- | 1948 | 1 | |
| Memorial Hall Auditorium, Meiji University | Memorial Hall Auditorium, Meiji University | Japan, Tokyo | 1959-11-06 | -- | 1959 | 1 | |
| Maine Community Hall | Maine Community Hall | United States of America, Maine | 2009-05-10 | -- | 2009 | 1 | |
| Mosby skole | Mosby skole | Norway, Kristiansand, Kristiansand | 2006-10-25 | -- | 2006 | 1 | |
| Margaretaparken | Margaretaparken | Sweden, Stockholm, Gamla Enskede | 2003-08-30 | 2003-09-19 | 2003 | 1 | |
| Montgomery Theatre | Montgomery Theatre | Canada, North Rustico, 57 Church Hill Avenue | 2011-09-01 | 2011-09-11 | 2011 | 1 | |
| Man in the Moon Theatre | Man in the Moon Theatre | England, London, 392 Kings Road | 1994-01-20 | 1994-01-20 | 1994 | 1 | |
| Mary Moody Northen Theatre | Mary Moody Northen Theatre | United States of America, Austin, 3001 S Congress Ave | 2010-02-11 | 2010-02-21 | 2010 | 1 | |
| Moskovskij dramatičeskij teatr | Moskovskij dramatičeskij teatr | Russia, Moscow | 1957-09-18 | -- | 1957 | 1 | |
| Mark Hellinger Theatre | Mark Hellinger Theatre | United States of America, Manhattan, 237 West 51st Street | 1982-09-23 | -- | 1982 | 1 | |
| Maidment Theatre | Maidment Theatre | New Zealand, Auckland | 2015-04-30 | 2015-05-23 | 2015 | 1 | |
| Mort & Irma Handel Performing Arts Center | Mort & Irma Handel Performing Arts Center | United States of America, Hartford, 35 Westbourne Parkway | 2011-11-17 | 2011-11-20 | 2011 | 1 | |
| Mystic Seaport Museum | Mystic Seaport Museum | United States of America, Mystic, 75 Greenmanville Avenue | 2022-07-16 | -- | 2022 | 1 | |
| 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 | |
| Mandal videregående skole | Mandal videregående skole | Norway, Mandal, Kallhammerveien 6 | 2006-03-20 | -- | 2006 | 1 | |
| Midsund Ungdomsskole | Midsund Ungdomsskole | Norway, Midsund | 1990-02-28 | -- | 1990 | 1 | |
| Moskovski teatr na Taganke | Moskovski teatr na Taganke | Russia, Moscow, Zemlyanoy Val, 76/21 | 2013-06-12 | -- | 2013 | 1 | |
| Mulanje View Motell | Mulanje View Motell | Malawi, Mulanje | 2006-07-23 | -- | 2006 | 1 | |
| Moray House Theatre | Moray House Theatre | Scotland, Edinburgh | 1969-11-25 | -- | 1969 | 1 | |
| Moustier-Ventadour - Château de Ventadour | Moustier-Ventadour - Château de Ventadour | France | 2023-08-01 | 2023-07-21 | 2023 | 1 | |
| Main Stage Theatre | Main Stage Theatre | United States of America, Addison, 15650 Addison Rd | 2018-10-12 | 2018-11-04 | 2018 | 1 | |
| Montréal | Montréal | Canada, Montréal | 1918-05-10 | -- | 1918 | 1 | |
| Maison des Arts et des Congrès | Maison des Arts et des Congrès | France, Niederbronn-Les-Bains, 42 Avenue Foch | 2000-01-15 | -- | 2000 | 1 | |
| Massachusetts Institute of Technology (MIT) | Massachusetts Institute of Technology (MIT) | United States of America, Cambridge, 77 Massachusetts Ave | 1964-01-24 | -- | 1964 | 1 | |
| Medway Little Theatre | Medway Little Theatre | England, Rochester, 256 High Street | 2016-05-10 | 2016-05-21 | 2016 | 1 | |
| Master Institute Theatre | Master Institute Theatre | United States of America, New York | 1947-04-26 | 1947-05-02 | 1947 | 1 | |
| Maltings | Maltings | England, Berwick-upon-Tweed, Eastern Ln | 2011-06-16 | -- | 2011 | 1 | |
| Manchester Library | Manchester Library | United States of America, Manchester, 8067 E Main St | 2006-11-04 | -- | 2006 | 1 | |
| Metro Arts | Metro Arts | Australia, Brisbane, Edward St | 1994-03-01 | 1994-03-05 | 1994 | 1 | |
| Motala | Motala | Sweden, Motala | 1992-10- | -- | 1992 | 1 | |
|
|
