| Mexico City | Mexico City | Mexico, Mexico City | -- | -- | | | |
| Măcin | Măcin | Romania, Măcin | -- | -- | | | |
| Mélo d'Amélie | Mélo d'Amélie | France, Paris, 4 Rue Marie Stuart | -- | -- | | | |
| Mannheim | Mannheim | Germany, Mannheim | -- | -- | | | |
| Mogilevskij Dramatičeski Teatr | Mogilevskij Dramatičeski Teatr (Mahilioŭ Regional Drama Theater) | Belarus, Mogilev, Pieršamajskaja St 7 | -- | -- | | | |
| Mátray Béla Társulata | Mátray Béla Társulata | Romania, Arad | -- | -- | | | |
| Moineşti | Moineşti | Romania, Moineşti | -- | -- | | | |
| Middelburg | Middelburg | Netherlands, Middelburg | -- | -- | | | |
| Murighiol | Murighiol | Romania, Murighiol | -- | -- | | | |
| Moreni | Moreni | Romania, Moreni | -- | -- | | | |
| Milwaukee Repertory Theater | Milwaukee Repertory Theater | United States, Milwaukee | -- | -- | | | |
| Micşuneştii Mari | Micşuneştii Mari | Romania, Micşuneştii Mari | -- | -- | | | |
| Michael Schimmel Center for the Arts | Michael Schimmel Center for the Arts | United States, New York, Spruce Street | -- | -- | | | |
| Molun zhongxue (Molun School) | Molun zhongxue (Molun School) | China, Shanghai | -- | -- | | | |
| Miorcani (Rădăuţi-Prut) | Miorcani (Rădăuţi-Prut) | Romania, Miorcani (Rădăuţi-Prut) | -- | -- | | | |
| Manchester | Manchester | England, Manchester | -- | -- | | | |
| Melbourne | Melbourne | Australia, Melbourne | -- | -- | | | |
| Marxzell | Marxzell | Germany, Marxzell | -- | -- | | | |
| Meerbusch | Meerbusch | Germany, Meerbusch | -- | -- | | | |
| Mărăşeşti | Mărăşeşti | Romania, Mărăşeşti | -- | -- | | | |
| Magdeburg | Magdeburg | Germany, Magdeburg | -- | -- | | | |
| Meteleu(Scutelnici) | Meteleu (Scutelnici) | Romania, Meteleu(Scutelnici) | -- | -- | | | |
| Murnau | Murnau | United States, Murnau | -- | -- | | | |
| Městské oblastní divadlo | Městské oblastní divadlo | Czech Republic, Kolín | -- | -- | | | |
| Murfatlar (Basarabi) | Murfatlar (Basarabi) | Romania, Murfatlar (Basarabi) | -- | -- | | | |
| Marrucino | Teatro | Italy, Chieti | -- | -- | | | |
| Meiningen | Meiningen | Germany, Meiningen | -- | -- | | | |
| Manhatten | Manhatten | United States, Manhatten | -- | -- | | | |
| Mărculeşti | Mărculeşti | Romania, Mărculeşti | -- | -- | | | |
| Motala | Motala | Sweden, Motala | 1992-10- | -- | 1992 | 1 | |
| Mrs. Osborn's Theatre | Mrs. Osborn's Theatre | United States, New York, 44th St., near 5th Ave | 1903-03-03 | -- | 1903 | 1 | |
| Mezinárodní festival Divadlo | Mezinárodní festival Divadlo | Czech Republic, Plzeň, Pražská 19 | 2007-09-20 | -- | 2007 | 1 | |
| Madlenianum Opera & Theatre | Madlenianum Opera & Theatre | Serbia, Belgrade, Glavna 32 | 2011-12-10 | -- | 2011 | 1 | |
| Masonic Temple | Masonic Temple | United States, Portland | 1910-02-28 | 1910-02-28 | 1910 | 1 | |
| Montwhite | Montwhite | United States, Burlington | 1909-04-26 | 1909-04-26 | 1909 | 1 | |
| Musical Theatre Works (MTW) | Musical Theatre Works (MTW) | United States, New York | 2000-11-03 | 2000-11-12 | 2000 | 1 | |
| Møvig skole | Møvig skole | Norway, Kristiansand, Kristiansand | 2006-10-23 | -- | 2006 | 1 | |
| Maltings | Maltings | England, Berwick-upon-Tweed, Eastern Ln | 2011-06-16 | -- | 2011 | 1 | |
| Maryland Theatre | Maryland Theatre | United States, Baltimore | 1903-10-21 | 1903-10-21 | 1903 | 1 | |
| Marker Ungdomskole | Marker Ungdomskole | Norway, Marker, Marker | 2005-11-23 | -- | 2005 | 1 | |
| Merchant’s House Museum | Merchant’s House Museum | United States, New York, 29 E 4th St | 2011-07-07 | 2011-07-17 | 2011 | 1 | |
| Margaret Greenham Theatre | Margaret Greenham Theatre | Canada, Banff, 107 Tunnel Mountain Drive | 2007-03-16 | 2007-03-17 | 2007 | 1 | |
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