| Mansfield | Mansfield | United States of America, Mansfield | 1903-10-23 | 1903-10-23 | 1903 | 1 | |
| Marion | Marion | United States of America, Marion | 1903-12-07 | 1903-12-07 | 1903 | 1 | |
| Marquette | Marquette | United States of America, Marquette | 1903-11-24 | 1903-11-24 | 1903 | 1 | |
| Mattoon Theatre | Mattoon Theatre | United States of America, Mattoon | 1907-11-12 | 1907-11-12 | 1907 | 1 | |
| McKinleyville High School | McKinleyville High School | United States of America, McKinleyville, 1300 Murray Rd | 2005-12-05 | -- | 2005 | 1 | |
| Melbourne Civic Theatre | Melbourne Civic Theatre | United States of America, Melbourne, 817 E Strawbridge Ave. | 2019-05-24 | 2019-06-30 | 2019 | 1 | |
| Mendocino Theatre Company | Mendocino Theatre Company | United States of America, Mendocino, 45200 Little Lake St, CA 95460 | 2019-09-19 | 2019-10-20 | 2019 | 1 | |
| Milwaukee | Milwaukee | United States of America, Milwaukee | 1903-11-12 | 1903-11-14 | 1903 | 1 | |
| Milwaukee Repertory Theater | Milwaukee Repertory Theater | United States of America, Milwaukee | 1967-08-01 | 1967-08-01 | 1967 | 1 | |
| Metropolitan | Metropolitan | United States of America, Minneapolis | 1906-12-06 | 1910-08-10 | 1906–1910 | 2 | |
| Minnesota University Chapel | Minnesota University Chapel | United States of America, Minneapolis | 1926-02-16 | -- | 1926 | 1 | |
| Music Auditorium, University of Minnesota | Music Auditorium, University of Minnesota | United States of America, Minneapolis | 1933-06-21 | 1940-10-22 | 1933–1940 | 2 | |
| Minneapolis | Minneapolis | United States of America, Minneapolis | 1967-09-25 | -- | 1967 | 1 | |
| Minot Public School | Minot Public School | United States of America, Minot, 215 2nd St SE | 2006-10-13 | -- | 2006 | 1 | |
| Minot University Black Box | Minot University Black Box | United States of America, Minot, 500 University Ave W | 2006-10-11 | 2006-10-12 | 2006 | 1 | |
| Museum of the Rockies | Museum of the Rockies | United States of America, Montana, 600 West Kagy Blvd Bozeman | 2019-10-10 | 2019-10-20 | 2019 | 1 | |
| McDonald's | McDonald's | United States of America, Montgomery | 1896-01-01 | 1896-01-01 | 1896 | 1 | |
| Montgomery Theatre | Montgomery Theatre | United States of America, Montgomery | 1903-10-24 | 1904-11-12 | 1903–1904 | 3 | |
| Mount Carmel High School | Mount Carmel High School | United States of America, Mount Carmel | 1914-11-27 | 1914-11-27 | 1914 | 1 | |
| Murnau | Murnau | United States of America, Murnau | -- | -- | | | |
| Muskogee High School | Muskogee High School | United States of America, Muskogee, 3200 E Shawnee Rd | 1910-12-23 | 1910-12-23 | 1910 | 1 | |
| Mystic Seaport Museum | Mystic Seaport Museum | United States of America, Mystic, 75 Greenmanville Avenue | 2022-07-16 | -- | 2022 | 1 | |
| Master Institute Theatre | Master Institute Theatre | United States of America, New York | 1947-04-26 | 1947-05-02 | 1947 | 1 | |
| Musical Theatre Works (MTW) | Musical Theatre Works (MTW) | United States of America, New York | 2000-11-03 | 2000-11-12 | 2000 | 1 | |
| Manhatten | Manhatten | United States of America, New York | 1989-01-24 | -- | 1989 | 1 | |
| Masque Theater | Masque Theater | United States of America, New York | 1966-04-18 | -- | 1966 | 1 | |
| Manhattan Theatre | Manhattan Theatre | United States of America, New York, 102 W. 33rd St | 1902-05-21 | 1902-05-30 | 1902–1905 | 6 | |
| Maxine Elliott's Theatre | Maxine Elliott's Theatre | United States of America, New York, 109 West 39th Street | 1925-11-10 | -- | 1925 | 1 | |
| Murray Hill Theatre | Murray Hill Theatre | United States of America, New York, 160 E. 34th Street | 1905-04-30 | -- | 1905 | 2 | |
| Morosco Theatre | Morosco Theatre | United States of America, New York, 217 West 45th Street | 1937-12-27 | 1938-04-30 | 1937 | 1 | |
| Mansfield Theatre | Mansfield Theatre | United States of America, New York, 256 W 47th St | 1927-01-10 | -- | 1927 | 1 | |
| Merchant’s House Museum | Merchant’s House Museum | United States of America, New York, 29 E 4th St | 2011-07-07 | 2011-07-17 | 2011 | 1 | |
| McMillan Theater | McMillan Theater | United States of America, New York, 2960 Broadway | 1937-03-13 | -- | 1937 | 1 | |
| Manhattan Opera House | Manhattan Opera House | United States of America, New York, 311 West 34th St | 1920-09-06 | -- | 1920 | 1 | |
| Mrs. Osborn's Theatre | Mrs. Osborn's Theatre | United States of America, New York, 44th St., near 5th Ave | 1903-03-03 | -- | 1903 | 1 | |
| Metropolitan Opera House | Metropolitan Opera House | United States of America, New York, Lincoln Center Plaza | 1923-10-29 | -- | 1923 | 1 | |
| Michael Schimmel Center for the Arts | Michael Schimmel Center for the Arts | United States of America, New York, Spruce Street | -- | -- | | | |
| Mitzi E. Newhouse Theater | Mitzi E. Newhouse Theater | United States of America, New York, West 65th Street | 2025-03-18 | 2025-04-26 | 2025 | 1 | |
| Maudslay State Park | Maudslay State Park | United States of America, Newburyport, 74 Curzon Mill Rd | 2008-07-19 | 2008-08-10 | 2008 | 1 | |
| Museum of Contemporary Art | Museum of Contemporary Art | United States of America, North Adams, 87 Marshall Street | 2006-04-07 | -- | 2006 | 1 | |
| Macdonough Theatre | Macdonough Theatre | United States of America, Oakland | 1904-01-08 | 1908-12-16 | 1904–1908 | 7 | |
| Mulitz-Gudelsky Theatre Lab | Mulitz-Gudelsky Theatre Lab | United States of America, Olney, 2001 Olney Sandy Spring Rd | 2006-06-20 | 2006-08-27 | 2006 | 2 | |
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