| Miranda de Ebro | Miranda de Ebro | Spain, Miranda de Ebro | 2011-02-04 | -- | 2011 | 1 | |
| Musik-Mittelschule Henndorf | Musik-Mittelschule Henndorf | Austria, Henndorf am Wallersee, Sportplatzstraße 10 | 2018-04-20 | 2018-04-24 | 2018 | 1 | |
| Mzuzu University | Mzuzu University | Malawi, Mzuzu | 2006-06-03 | -- | 2006 | 1 | |
| Mailun Zhongxue | Mailun Zhongxue (Mailun Middle School) | China, Shanghai, Gaoyang Road No. 690 | 1934-07-03 | -- | 1934 | 1 | |
| Madlenianum Opera & Theatre | Madlenianum Opera & Theatre | Serbia, Belgrade, Glavna 32 | 2011-12-10 | -- | 2011 | 1 | |
| Magyar Területi Színház (MATESZ) | Magyar Területi Színház (MATESZ) | Slovak Republic, Komárno | 1970-01-29 | -- | 1970 | 1 | |
| M.M.T. | M.M.T. | Belgium, Mechelen | 2002-05-26 | -- | 2002 | 1 | |
| Mulanje View Motell | Mulanje View Motell | Malawi, Mulanje | 2006-07-23 | -- | 2006 | 1 | |
| Moland ungdomsskole | Moland ungdomsskole | Norway, Moland | 1997-09-03 | -- | 1997 | 1 | |
| Masonic Temple | Masonic Temple | United States of America, Portland | 1910-02-28 | 1910-02-28 | 1910 | 1 | |
| McSorley’s Square | McSorley’s Square | Vietnam, Ho Chi Minh City, 4 Thao Dien, District 2 | 2014-06-12 | 2014-06-15 | 2014 | 1 | |
| Master Institute Theatre | Master Institute Theatre | United States of America, New York | 1947-04-26 | 1947-05-02 | 1947 | 1 | |
| Minnesota University Chapel | Minnesota University Chapel | United States of America, Minneapolis | 1926-02-16 | -- | 1926 | 1 | |
| Málaga | Málaga | Spain, Málaga | 1975-08-28 | -- | 1975 | 1 | |
| M. Lermontov State Academic Russian Drama Theather | Russkiy Respublikanskiy Dramaticheskiy Teatr Im. M.yu. Lermontova (M. Lermontov State Academic Russian Drama Theather) | Russia, Abakan, Republic of Khakassia, Ulitsa Shchetinkina 12 | 2023-05-26 | 2023-05-27 | 2023 | 1 | |
| Meng Minwei Yinyue Ting | Meng Minwei Yinyue Ting (Meng Minwei Concert Hall) | China, Beijing, No. 30 Shuangqing Road, Haidian District | 2018-06-29 | 2018-06-30 | 2018 | 1 | |
| M/S Kronborg | M/S Kronborg | Denmark, Copenhagen | 1996-11-10 | 1996-11-13 | 1996 | 1 | |
| Midtown Art Center | Midtown Art Center | United States of America, Houston, 3414 La Branch St | 2002-02-01 | 2002-02-23 | 2002 | 1 | |
| Mĕstské divadlo Kladno | Mĕstské divadlo Kladno | Czech Republic, Kladno, Divadelní 1702 | 1957-09-27 | -- | 1957 | 1 | |
| Medway Little Theatre | Medway Little Theatre | England, Rochester, 256 High Street | 2016-05-10 | 2016-05-21 | 2016 | 1 | |
| Meieriscenen | Meieriscenen | Norway, Tromsø, Strandveien | 2004-07-13 | 2004-07-18 | 2004 | 1 | |
| Mathaf al-Fann al-Islami | Mathaf al-Fann al-Islami (MIA - Museum of Islamic Art) | Qatar, Doha, Doha Port | 2009-05-14 | 2009-05-15 | 2009 | 1 | |
| Markten, De | De Markten | Switzerland, Brussels, Oude Graanmarkt 5 | 1990-09-16 | 1990-09-17 | 1990 | 1 | |
| Maryland Theatre | Maryland Theatre | United States of America, Baltimore | 1903-10-21 | 1903-10-21 | 1903 | 1 | |
| Marquette | Marquette | United States of America, Marquette | 1903-11-24 | 1903-11-24 | 1903 | 1 | |
| Mikhlelet Seminar HaKibbutzim | Mikhlelet Seminar HaKibbutzim (Seminar Hakibbutzim College) | Israel, Tel Aviv, Ahad Ha'Am St 9, Tel Aviv-Yafo, Israel | 2023-12-27 | 2023-12-30 | 2023 | 1 | |
| Mrs. Osborn's Theatre | Mrs. Osborn's Theatre | United States of America, New York, 44th St., near 5th Ave | 1903-03-03 | -- | 1903 | 1 | |
| Millbank Theatre, The | The Millbank Theatre | Ireland, Rush, Co Dublin, Chapel Green | 2007-02-27 | -- | 2007 | 1 | |
| Moberly Arts & Cultural Centre | Moberly Arts & Cultural Centre | Canada, Vancouver, 7646 Prince Albert St | 2019-10-18 | 2019-12-14 | 2019 | 1 | |
| MIT Kresge Little Theatre | MIT Kresge Little Theatre | United States of America, Cambridge, 48 Massachusetts Ave (in MIT Kresge Auditorium) | 1998-05-07 | 1998-05-09 | 1998 | 1 | |
| Manchester Library | Manchester Library | United States of America, Manchester, 8067 E Main St | 2006-11-04 | -- | 2006 | 1 | |
| Midsund skule | Midsund skule | Norway, Midsund, Midsund kommune | 2007-04-16 | -- | 2007 | 1 | |
| Markgrafenhalle | Markgrafenhalle | Germany, Neustadt/Aisch | 1980-02-24 | -- | 1980 | 1 | |
| Münchner Künstlertheater | Münchner Künstlertheater | Germany, Munich | 1909-08-20 | -- | 1909 | 1 | |
| Mecklenburgisches Landestheater Stralsund | Mecklenburgisches Landestheater Stralsund | Germany, Stralsund | 1950-09-10 | 1950-10-20 | 1950 | 1 | |
| Møringa på Karljohansvern | Møringa på Karljohansvern | Norway, Horten | 2013-08-28 | 2013-09-07 | 2013 | 1 | |
| Maximteatern | Maximteatern | Sweden, Borlänge, Tunagatan 42, | 2010-10-26 | -- | 2010 | 1 | |
| Man in the Moon Theatre | Man in the Moon Theatre | England, London, 392 Kings Road | 1994-01-20 | 1994-01-20 | 1994 | 1 | |
| Madeleine, Théâtre de la | Théâtre de la Madeleine | France, Troyes, Rue Jules Lebocey | 2015-04-23 | -- | 2015 | 1 | |
| Marl | Marl | Germany, Marl | 1954-- | -- | 1954 | 1 | |
| Marian University Theatre | Marian University Theatre | United States of America, Indianapolis, 3200 Cold Spring Rd. | 2024-07-11 | 2024-10-11 | 2024 | 1 | |
| Mostamarka | Mostamarka | Norway, Malvik kommune | 2006-07-01 | -- | 2006 | 1 | |
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