| Malvern Theatre | Malvern Theatre | England, Malvern, Worcestershire, Grange Road | 1930-06-23 | 1930-06-25 | 1930 | 1 | |
| Malvern Theatres - Festival Theatre | Malvern Theatres - Festival Theatre | England, Malvern, Worcestershire, Grange Road | 1950-07-24 | 2013-11-30 | 1950–2013 | 8 | |
| Millfield Theatre | Millfield Theatre | England, London, Silver Street, Edmonton | 2011-06-07 | 2014-01-25 | 2011–2014 | 2 | |
| Mermaid Theatre | Mermaid Theatre | England, London, Puddle Dock | 1961-02-16 | -- | 1961 | 1 | |
| Mountview Academy of Theatre Arts | Mountview Academy of Theatre Arts | England, London, Clarendon Rd | 2004-06-17 | 2004-06-25 | 2004 | 1 | |
| Man in the Moon Theatre | Man in the Moon Theatre | England, London, 392 Kings Road | 1994-01-20 | 1994-01-20 | 1994 | 1 | |
| Main Theatre, The | The Main Theatre | England, Hexham, Beaumont Street | 2022-09-28 | 2022-09-29 | 2022 | 1 | |
| Merlin Theatre | Merlin Theatre | England, Frome, Bath Rd | 1993-10-21 | 2014-11-07 | 1993–2014 | 2 | |
| Marine Theatre | Marine Theatre | England, Dorset, Church St, Lyme Regis | 2006-05-31 | -- | 2006–2007 | 2 | |
| Mercury Theatre Colchester | Mercury Theatre Colchester | England, Colchester, Essex, Balkerne Gate | 2009-11-05 | 2009-11-21 | 2009 | 1 | |
| Minerva Theatre | Minerva Theatre | England, Chichester, West Sussex, Oaklands Park | 1994-06-02 | 2019-09-28 | 1994–2019 | 4 | |
| Miller Centre, The | The Miller Centre | England, Caterham, Surrey, 30 Godstone Road | 2007-07-05 | 2007-08-03 | 2007 | 1 | |
| Marlowe Theatre | Marlowe Theatre | England, Canterbury, The Friars | 2018-07-19 | 2018-07-21 | 2018 | 1 | |
| Mumford Theatre, The | The Mumford Theatre | England, Cambridge, Cambridgeshire, Anglia Ruskin University East Road | 2010-11-08 | -- | 2010–2018 | 3 | |
| Midlands Arts Centre | Midlands Arts Centre | England, Birmingham, Cannon Hill Park | 1993-10-13 | 1993-10-14 | 1993 | 1 | |
| Maltings | Maltings | England, Berwick-upon-Tweed, Eastern Ln | 2011-06-16 | -- | 2011 | 1 | |
| Mission Theatre, The | The Mission Theatre | England, Bath, 32 Corn St | 2008-03-11 | 2008-03-15 | 2008 | 1 | |
| Masrah Al-Falaki | Masrah Al-Falaki (Al-Falaki Theater) | Egypt, Cairo Governorate, Al Falki, Abdeen, | 2024-10-10 | -- | 2024 | 1 | |
| Moqattam Culture House, El | Moqattam Culture House (Bayt thaqafat almuqatam) | Egypt, Cairo | 2013-03-01 | 2013-03-02 | 2013 | 1 | |
| Metro Ball Theatre | Metro Ball Theatre (مسرح عبد المنعم مدبولى) | Egypt, Cairo | 2006-07-15 | 2006-07-16 | 2006 | 1 | |
| Musikhuset Aarhus | Musikhuset Aarhus | Denmark, Århus, Thomas Jensens Alle | 2002-03-11 | 2006-09-16 | 2002–2018 | 4 | |
| Musikteatret Vejle | Musikteatret Vejle | Denmark, Vejle, Vedelsgade 25 | 2002-11-05 | -- | 2002–2018 | 5 | |
| Momentum, Teater | Teater Momentum | Denmark, Odense, Filosofgangen 19 | 2013-02-14 | 2016-04-12 | 2013–2016 | 2 | |
| Morsø Teater | Morsø Teater | Denmark, Nykjøbing Mors, Limfjordsvej 95 | 2002-03-07 | 2016-04-29 | 2002–2018 | 7 | |
| Middelfart Teater | Middelfart Teater | Denmark, Middelfart | 1883-10-19 | -- | 1883–1909 | 6 | |
| Medborgersalen | Medborgersalen | Denmark, Hvidovre, Søstjernevej 1 | 2009-12-04 | -- | 2009 | 1 | |
| Musikefterskolen i Humble | Musikefterskolen i Humble | Denmark, Humble, Hovedgaden 21 | 2013-10-21 | -- | 2013 | 1 | |
| Musikteatret Holstebro | Musikteatret Holstebro | Denmark, Holstebro, Den Røde Plads 16 | 2004-11-02 | 2004-11-03 | 2004–2018 | 3 | |
| Musikhuset Esbjerg | Musikhuset Esbjerg | Denmark, Esbjerg, Havnegade 18 | 2004-11-01 | -- | 2004–2018 | 4 | |
| M/S Kronborg | M/S Kronborg | Denmark, Copenhagen | 1996-11-10 | 1996-11-13 | 1996 | 1 | |
| Mantziusgården | Mantziusgården | Denmark, Birkerød, Johan Mantzius Vej 7 | 2004-12-07 | -- | 2004 | 1 | |
| Musikteatret Albertslund | Musikteatret Albertslund | Denmark, Albertslund, Bibliotekstorvet 1-3 | 1994-06-19 | 1994-06-21 | 1994–2018 | 5 | |
| Mozarts Plads | Mozarts Plads | Denmark | 2014-08-29 | 2014-08-31 | 2014 | 1 | |
| Mĕstské oblastní divadlo Varnsdorf | Mĕstské oblastní divadlo Varnsdorf | Czech Republic, Varnsdorf, Partyzánů 1442 | 1959-04-25 | -- | 1959 | 1 | |
| Městské komorní divadlo | Městské komorní divadlo | Czech Republic, Prague | 1936-03-31 | -- | 1936–1943 | 2 | |
| Mezinárodní festival Divadlo | Mezinárodní festival Divadlo | Czech Republic, Plzeň, Pražská 19 | 2007-09-20 | -- | 2007 | 1 | |
| Městské divadlo Plzeň | Městské divadlo Plzeň | Czech Republic, Plzeň | 1941-11-22 | -- | 1941 | 1 | |
| Městské divadlo Pardubice | Městské divadlo Pardubice | Czech Republic, Pardubice | 1939-10-03 | -- | 1939 | 1 | |
| Městské divadlo | Městské divadlo | Czech Republic, Pardubice | 2008-01-19 | 2009-04-20 | 2008 | 1 | |
| Moravské divadlo Olomouc | Moravské divadlo Olomouc | Czech Republic, Olomouc, tř. Svobody 33 | 2002-05-04 | 2015-05-17 | 2002–2015 | 5 | |
| Městské divadlo v Mostě | Městské divadlo v Mostě | Czech Republic, Most, Divadelní 15 | 1991-03-22 | -- | 1991 | 1 | |
| Městské divadlo Mladá Boleslav | Městské divadlo Mladá Boleslav | Czech Republic, Mladá Boleslav, Palackého 263 | 1955-01-23 | 2006-11-27 | 1955–2006 | 5 | |
|
|
