| Mosjøen | Mosjøen | Norway, Mosjøen | 1966-05-08 | -- | 1966–2005 | 6 | |
| Molde | Molde | Norway, Molde | 1966-04-26 | 1971-10-29 | 1966–2005 | 7 | |
| Moelv | Moelv | Norway, Moelv | 1966-04-23 | -- | 1966–1991 | 3 | |
| Masque Theater | Masque Theater | United States of America, New York | 1966-04-18 | -- | 1966 | 1 | |
| Maison des Jeunes et de la Culture, Théâtre de la | Théâtre de la Maison des Jeunes et de la Culture | France, Colombes, 96-98 Rue Saint-Denis | 1966-03-22 | -- | 1966 | 1 | |
| Mahenovo divadlo | Mahenovo divadlo | Czech Republic, Brno, Malinovského náměstí 1 | 1966-03-04 | 2018-06-05 | 1966–2017 | 3 | |
| Městské divadlo Kolín | Městské divadlo Kolín | Czech Republic, Kolín | 1965-11-27 | -- | 1965 | 1 | |
| Mĕstská divadla pražská (Komorní divadlo) | Mĕstská divadla pražská (Komorní divadlo) | Czech Republic | 1965-04-22 | -- | 1965 | 1 | |
| Manchester Opera House | Manchester Opera House | England, Manchester, 3 Quay Street | 1964-10-19 | -- | 1964 | 1 | |
| Maison Franco-Japonaise | Maison Franco-Japonaise | Japan, Shibuya, Tokyo, 3 Chome-9-25 Ebisu | 1964-07-09 | 1964-07-11 | 1964 | 1 | |
| Malkasten-Haus | Malkasten-Haus | Germany, Düsseldorf, Jacobistraße 6a | 1964-03-09 | -- | 1964 | 1 | |
| Massachusetts Institute of Technology (MIT) | Massachusetts Institute of Technology (MIT) | United States of America, Cambridge, 77 Massachusetts Ave | 1964-01-24 | -- | 1964 | 1 | |
| Minor Hall Theatre | Minor Hall Theatre | United States of America, Charlottesville, 735 Anderson Hill Rd | 1963-05-13 | 1963-05-18 | 1963 | 1 | |
| Molde kino | Molde kino | Norway, Molde, Gotfried Lies Plass 1. 6415 Molde | 1963-02-20 | 1984-10-31 | 1963–1984 | 7 | |
| Mermaid Theatre | Mermaid Theatre | England, London, Puddle Dock | 1961-02-16 | -- | 1961 | 1 | |
| Mjølner Samfunnshus | Mjølner Samfunnshus | Norway, Vigra | 1961-01-29 | -- | 1961–1990 | 2 | |
| Mysen, Festiviteten | Festiviteten Mysen (Festiviteten) | Norway, Mysen, Storgaten 28 | 1960-10-22 | -- | 1960–2005 | 6 | |
| McLeod Theater, Southern Illinois University | McLeod Theater, Southern Illinois University | United States of America, Carbondale, 1100 Lincoln Dr | 1960-02-19 | 2003-12-07 | 1960–2003 | 4 | |
| Memorial Hall Auditorium, Meiji University | Memorial Hall Auditorium, Meiji University | Japan, Tokyo | 1959-11-06 | -- | 1959 | 1 | |
| Mĕstské oblastní divadlo Varnsdorf | Mĕstské oblastní divadlo Varnsdorf | Czech Republic, Varnsdorf, Partyzánů 1442 | 1959-04-25 | -- | 1959 | 1 | |
| Mosjøen Kino og Teater | Mosjøen Kino og Teater | Norway, Mosjøen, Kinoplassen 2 | 1959-02-16 | -- | 1959–2022 | 11 | |
| Moskovskij literaturnyj teatr | Moskovskij literaturnyj teatr | Russia, Moscow | 1958-06- | -- | 1958 | 1 | |
| Mĕstské divadlo Kladno | Mĕstské divadlo Kladno | Czech Republic, Kladno, Divadelní 1702 | 1957-09-27 | -- | 1957 | 1 | |
| Moskovskij dramatičeskij teatr | Moskovskij dramatičeskij teatr | Russia, Moscow | 1957-09-18 | -- | 1957 | 1 | |
| Moskovskii gastrolnyj teatr | Moskovskii gastrolnyj teatr | Russia, Moscow | 1957-- | -- | 1957 | 1 | |
| Meråker, Samfunnshuset | Samfunnshuset Meråker (Meraaker) | Norway, Meråker | 1956-11-08 | -- | 1956–1961 | 4 | |
| Maxim Gorki Theater | Maxim Gorki Theater | Germany, Berlin, Am Festungsgraben 2 | 1956-01-11 | 2021-10-09 | 1956–2021 | 18 | |
| Městské divadlo Mladá Boleslav | Městské divadlo Mladá Boleslav | Czech Republic, Mladá Boleslav, Palackého 263 | 1955-01-23 | 2006-11-27 | 1955–2006 | 5 | |
| Mĕstské oblastní divadlo Kolín | Mĕstské oblastní divadlo Kolín | Czech Republic, Kolín | 1954-11-13 | -- | 1954–1957 | 2 | |
| Malmö Stadsteater (Intiman) | Malmö Stadsteater (Intiman) | Sweden, Malmö, Östra Rönneholmsvägen 22 | 1954-10-08 | 2025-05-17 | 1954–2025 | 12 | |
| Městské divadlo Kladno | Městské divadlo Kladno | Czech Republic, Kladno | 1954-05-31 | -- | 1954 | 1 | |
| Mo i Rana | Mo i Rana | Norway, Mo i Rana | 1954-05-04 | -- | 1954–2005 | 9 | |
| Mapol Motion Pictures Studios | Mapol Motion Pictures Studios | Argentina, Buenos Aires | 1954-01-27 | -- | 1954 | 1 | |
| Marl | Marl | Germany, Marl | 1954-- | -- | 1954 | 1 | |
| Malmö Stadsteater | Malmö Stadsteater | Sweden, Malmö, Kalendegatan 12 | 1951-11-29 | 2023-01-28 | 1951–2022 | 9 | |
| Mecklenburgisches Landestheater Stralsund | Mecklenburgisches Landestheater Stralsund | Germany, Stralsund | 1950-09-10 | 1950-10-20 | 1950 | 1 | |
| Malvern Theatres - Festival Theatre | Malvern Theatres - Festival Theatre | England, Malvern, Worcestershire, Grange Road | 1950-07-24 | 2013-11-30 | 1950–2013 | 8 | |
| Mikkeli | Mikkeli | Finland, Mikkeli | 1950-- | 1951-- | 1950–2011 | 2 | |
| Művész Színház | Művész Színház | Hungary, Budapest, Paulay Ede utca 35. | 1948-01-08 | -- | 1948 | 1 | |
| Master Institute Theatre | Master Institute Theatre | United States of America, New York | 1947-04-26 | 1947-05-02 | 1947 | 1 | |
| Městské oblastní divadlo Karlovy Vary | Městské oblastní divadlo Karlovy Vary | Czech Republic, Karlovy Vary | 1947-02-06 | -- | 1947 | 1 | |
| Montparnasse, Théâtre | Théâtre Montparnasse | France, Paris, 31, rue de la Gaîté | 1943-10-01 | 2013-12-14 | 1943–2013 | 3 | |
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