| Mĕstské divadlo Kladno | Mĕstské divadlo Kladno | Czech Republic, Kladno, Divadelní 1702 | 1957-09-27 | -- | 1957 | 1 | |
| Moskovskij literaturnyj teatr | Moskovskij literaturnyj teatr | Russia, Moscow | 1958-06- | -- | 1958 | 1 | |
| Mosjøen Kino og Teater | Mosjøen Kino og Teater | Norway, Mosjøen, Kinoplassen 2 | 1959-02-16 | -- | 1959–2022 | 11 | |
| Mĕstské oblastní divadlo Varnsdorf | Mĕstské oblastní divadlo Varnsdorf | Czech Republic, Varnsdorf, Partyzánů 1442 | 1959-04-25 | -- | 1959 | 1 | |
| Memorial Hall Auditorium, Meiji University | Memorial Hall Auditorium, Meiji University | Japan, Tokyo | 1959-11-06 | -- | 1959 | 1 | |
| 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 | |
| Mysen, Festiviteten | Festiviteten Mysen (Festiviteten) | Norway, Mysen, Storgaten 28 | 1960-10-22 | -- | 1960–2005 | 6 | |
| Mjølner Samfunnshus | Mjølner Samfunnshus | Norway, Vigra | 1961-01-29 | -- | 1961–1990 | 2 | |
| Mermaid Theatre | Mermaid Theatre | England, Puddle Dock, London | 1961-02-16 | -- | 1961 | 1 | |
| Molde kino | Molde kino | Norway, Molde, Gotfried Lies Plass 1. 6415 Molde | 1963-02-20 | 1984-10-31 | 1963–1984 | 7 | |
| Minor Hall Theatre | Minor Hall Theatre | United States of America, Charlottesville, 735 Anderson Hill Rd | 1963-05-13 | 1963-05-18 | 1963 | 1 | |
| Massachusetts Institute of Technology (MIT) | Massachusetts Institute of Technology (MIT) | United States of America, Cambridge, 77 Massachusetts Ave | 1964-01-24 | -- | 1964 | 1 | |
| Malkasten-Haus | Malkasten-Haus | Germany, Düsseldorf, Jacobistraße 6a | 1964-03-09 | -- | 1964 | 1 | |
| Maison Franco-Japonaise | Maison Franco-Japonaise | Japan, Shibuya, Tokyo, 3 Chome-9-25 Ebisu | 1964-07-09 | 1964-07-11 | 1964 | 1 | |
| Manchester Opera House | Manchester Opera House | England, Manchester, 3 Quay Street | 1964-10-19 | -- | 1964 | 1 | |
| Mĕstská divadla pražská (Komorní divadlo) | Mĕstská divadla pražská (Komorní divadlo) | Czech Republic | 1965-04-22 | -- | 1965 | 1 | |
| Městské divadlo Kolín | Městské divadlo Kolín | Czech Republic, Kolín | 1965-11-27 | -- | 1965 | 1 | |
| Mahenovo divadlo | Mahenovo divadlo | Czech Republic, Brno, Malinovského náměstí 1 | 1966-03-04 | 2018-06-05 | 1966–2017 | 3 | |
| 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 | |
| Masque Theater | Masque Theater | United States of America, New York | 1966-04-18 | -- | 1966 | 1 | |
| Moelv | Moelv | Norway, Moelv | 1966-04-23 | -- | 1966–1991 | 3 | |
| Molde | Molde | Norway, Molde | 1966-04-26 | 1971-10-29 | 1966–2005 | 7 | |
| Mosjøen | Mosjøen | Norway, Mosjøen | 1966-05-08 | -- | 1966–2005 | 6 | |
| Misvær | Misvær | Norway, Misvær | 1966-05-12 | -- | 1966–1971 | 2 | |
| Milwaukee Repertory Theater | Milwaukee Repertory Theater | United States of America, Milwaukee | 1967-08-01 | 1967-08-01 | 1967 | 1 | |
| Minneapolis | Minneapolis | United States of America, Minneapolis | 1967-09-25 | -- | 1967 | 1 | |
| Meadow Brook Theatre | Meadow Brook Theatre | United States of America, Rochester, 207 Wilson Blvd | 1967-11-10 | -- | 1967 | 1 | |
| Mehamn | Mehamn samfunnshus | Norway, Mehamn | 1968-10-03 | -- | 1968–1970 | 2 | |
| Mĕstské divadlo Brno | Mĕstské divadlo Brno | Czech Republic, Brno, Lidická 16 | 1969-01-18 | 2000-05-14 | 1969–2000 | 3 | |
| Marlo grendahus | Marlo grendahus | Norway, Skjåk | 1969-02-19 | -- | 1969 | 4 | |
| Møre Folkehøgskole | Møre Folkehøgskole | Norway, Ørsta, Kyrkjegata 48 | 1969-09-08 | -- | 1969 | 2 | |
| Moray House Theatre | Moray House Theatre | Scotland, Edinburgh | 1969-11-25 | -- | 1969 | 1 | |
| Magyar Területi Színház (MATESZ) | Magyar Területi Színház (MATESZ) | Slovak Republic, Komárno | 1970-01-29 | -- | 1970 | 1 | |
| Møre og Romsdal tekniske skole | Møre og Romsdal tekniske skole | Norway, Ålesund, Fogd Greves vei 9 | 1970-02-09 | -- | 1970 | 1 | |
| Molde videregående skole | Molde videregående skole | Norway, Molde, Øvre veg 23 | 1970-02-10 | 2013-03-04 | 1970–2013 | 3 | |
| Midtbygda Sentralskole | Midtbygda Sentralskole | Norway, Solfjellsjøen, Dønna, Solfjellsjøen, 8820 Dønna | 1971-03-13 | -- | 1971–1978 | 2 | |
| Morphou | Morphou | Cyprus, Morphou | 1973-03-01 | 1974-05-29 | 1973–1974 | 2 | |
| McCarter Theatre | McCarter Theatre | United States of America, Princeton, 91 University Place | 1973-03-29 | 1996-05-26 | 1973–1996 | 3 | |
| Mandal, Kinoen | Kinoen Mandal | Norway, Mandal, Store Elvegate 35 | 1973-11-10 | 1997-11-20 | 1973–2006 | 10 | |
| Manzoni, Teatro | Teatro Manzoni | Italy, Pistoia | 1974-10-26 | 2016-03-09 | 1974–2020 | 6 | |
| Mazzini | Teatro Mazzini | Italy, Forlì | 1974-12-14 | -- | 1974 | 1 | |
| Mendel Art Gallery | Mendel Art Gallery | Canada, Saskatoon, 950 Spadina Crescent E | 1975-03-02 | -- | 1975 | 1 | |
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