| Musical Theatre Works (MTW) | Musical Theatre Works (MTW) | United States, New York | 2000-11-03 | 2000-11-12 | 2000 | 1 | |
| Marienwerder | Marienwerder | Poland, Kwidzyn | 1878-- | -- | 1878 | 1 | |
| Market Place | Market Place | Northern Ireland, Armagh, Market St | 2011-05-28 | -- | 2011–2018 | 2 | |
| Michailov Teatr | Michailov Teatr | Russia, St. Petersburg | 1897-09-24 | -- | 1897 | 1 | |
| Mundford Village Hall | Mundford Village Hall | England, Mundford Thetford Norfolk, St Leonards Street | 2007-12-04 | -- | 2007 | 1 | |
| Minot University Black Box | Minot University Black Box | United States, Minot, 500 University Ave W | 2006-10-11 | 2006-10-12 | 2006 | 1 | |
| Midtown Art Center | Midtown Art Center | United States, Houston, 3414 La Branch St | 2002-02-01 | 2002-02-23 | 2002 | 1 | |
| Møre og Romsdal | Møre og Romsdal | Norway, Møre og Romsdal | 1990-05- | 1997-04-30 | 1990–1997 | 2 | |
| Maltings Arts Centre | Maltings Arts Centre | England, St Albans, Hertfordshire, The Maltings | 1993-09-24 | -- | 1993 | 1 | |
| Mittelsächsisches Theater | Mittelsächsisches Theater | Germany, Freiberg, Borngasse 1 | 1995-04-01 | 2014-02-20 | 1995–2013 | 2 | |
| Molde kino | Molde kino | Norway, Molde, Gotfried Lies Plass 1. 6415 Molde | 1963-02-20 | 1984-10-31 | 1963–1984 | 7 | |
| Murray Hill Theatre | Murray Hill Theatre | United States, New York, 160 E. 34th Street | 1905-04-30 | -- | 1905 | 2 | |
| Muhsin Ertugrul Sahnesi | Muhsin Ertugrul Sahnesi | Turkey, Istanbul, Harbiye Mh., Darülbedayi Cd. No:3 | 1998-05-30 | 2018-04-28 | 1998–2018 | 2 | |
| Metropolitan Theatre | Metropolitan Theatre | United States, Grand Forks, 116 South Third Street | 1909-01-27 | 1909-01-27 | 1909–1930 | 2 | |
| Margaret Greenham Theatre | Margaret Greenham Theatre | Canada, Banff, 107 Tunnel Mountain Drive | 2007-03-16 | 2007-03-17 | 2007 | 1 | |
| Mystery Brewery | Mystery Brewery | United States, Hillsborough, 437 Dimmock's Mill Rd | 2018-01-18 | 2018-02-03 | 2018 | 1 | |
| Moss Hotel | Moss Hotel | Norway, Moss, Dronningens gate 21 | 1927-09-06 | -- | 1927–1928 | 3 | |
| MIA - Museum of Islamic Art | MIA - Museum of Islamic Art | Qatar, Doha, Doha Port | 2009-05-14 | 2009-05-15 | 2009 | 1 | |
| Marshall Performing Arts Center - Dudley Experimental Theatre | Marshall Performing Arts Center - Dudley Experimental Theatre | United States | 2020-01-17 | 2020-01-17 | 2020 | 1 | |
| Mezinárodní festival Divadlo | Mezinárodní festival Divadlo | Czech Republic, Plzeň, Pražská 19 | 2007-09-20 | -- | 2007 | 1 | |
| Maryland Theatre | Maryland Theatre | United States, Baltimore | 1903-10-21 | 1903-10-21 | 1903 | 1 | |
| Mátészalka | Mátészalka | Hungary, Mátészalka | 1925-07-16 | -- | 1925–1941 | 2 | |
| Merchant’s House Museum | Merchant’s House Museum | United States, New York, 29 E 4th St | 2011-07-07 | 2011-07-17 | 2011 | 1 | |
| Mercury Theatre Colchester | Mercury Theatre Colchester | England, Colchester, Essex, Balkerne Gate | 2009-11-05 | 2009-11-21 | 2009 | 1 | |
| Montwhite | Montwhite | United States, Burlington | 1909-04-26 | 1909-04-26 | 1909 | 1 | |
| Mellomhagen ungdomsskole | Mellomhagen ungdomsskole | Norway, Larvik, Mellomhagen 31 | 2007-02-07 | -- | 2007 | 1 | |
| Madách Színház | Madách Színház | Hungary, Budapest, Erzsébet krt. 29-33 | 1943-04-30 | -- | 1943–1971 | 2 | |
| Manzanares | Manzanares | Spain, Manzanares | 2010-03-20 | -- | 2010 | 2 | |
| Marxzell | Marxzell | Germany, Marxzell | -- | -- | | | |
| Margarethakirkens ruin, Maridalen | Margarethakirkens ruin, Maridalen | Norway, Oslo | 1985-08-17 | 1985-08-25 | 1985 | 1 | |
| Miljøbygget | Miljøbygget | Norway, Tana, Tana | 1983-11-15 | -- | 1983–2007 | 2 | |
| Mumford Theatre, The | The Mumford Theatre | England, Cambridge, Cambridgeshire, Anglia Ruskin University East Road | 2010-11-08 | -- | 2010–2018 | 3 | |
| Mercat de les Flors | Mercat de les Flors | Spain, Barcelona, Carrer de Lleida | 1997-01-14 | -- | 1997 | 1 | |
| Musik-Mittelschule Henndorf | Musik-Mittelschule Henndorf | Austria, Henndorf am Wallersee, Sportplatzstraße 10 | 2018-04-20 | 2018-04-24 | 2018 | 1 | |
| Măcin | Măcin | Romania, Măcin | -- | -- | | | |
| Midtbygda Sentralskole | Midtbygda Sentralskole | Norway, Solfjellsjøen, Dønna, Solfjellsjøen, 8820 Dønna | 1971-03-13 | -- | 1971–1978 | 2 | |
| Moskovskij dramatičeskij teatr imeni K. Stanislavskogo (Stanislavskij Elektroteater) | Moskovskij dramatičeskij teatr imeni K. Stanislavskogo (Stanislavsij Elektroteater) | Russia, Moscow, Tverskaya St, 23 | 1990-12- | -- | 1990 | 1 | |
| Münchner Schauspielhaus | Münchner Schauspielhaus | Germany, Munich, Neuturmstraße 1 | 1897-11-17 | 1993-04-29 | 1897–1991 | 5 | |
| Markgrafenhalle | Markgrafenhalle | Germany, Neustadt/Aisch | 1980-02-24 | -- | 1980 | 1 | |
| Mukačeve | Mukačeve | Ukraine, Mukačeve | 1909-01- | 1927-03-08 | 1909–1941 | 8 | |
| Münchner Künstlertheater | Münchner Künstlertheater | Germany, Munich | 1909-08-20 | -- | 1909 | 1 | |
| Malta Festival Poznań | Malta Festival Poznań | Poland, Poznań | 2013-06-24 | 2013-06-25 | 2013 | 1 | |
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