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- Helen Mack (1913-1986), actress
- Alexander Mackendrick (1912–1993), director
- Mahasti (1946–2007), persophone pop singer
- Karl Malden (1912–2009), actor
- Janet Margolin (1943–1993), actress, married to Ted Wass
- Dean Martin (1917–1995), actor and singer
- Andrew Marton (1904–1992), actor
- Samuel Marx (1902–1992), producer
- Pamela Mason (1916–1996), actress
- Shirley Mason (1900–1979), actress
- Osa Massen (1914-2006), actress
- Curt Massey (1910–1991), actor
- Edith Massey (1918–1984), actress
- Dorothy Mathews (1912–1977), actress
- Carol Matthau (1925–2003), actress, wife of Walter Matthau
- Walter Matthau (1920–2000), actor
- Ruth McDevitt (1895–1976), actress
- Allen Melvin (1923–2008), actor
- Lewis Milestone (1895–1980), director
- Marvin E. Miller (1913–1985), actor
- Shirley Mitchell (1919-), actress, wife of Jay Livingston; future burial site
- Marilyn Monroe (1926–1962), actress, singer, model
- Elizabeth Montgomery (1933–1995), actress, was cremated here
- Constance Moore (1920–2005), singer and actress
- Dolores Moran (1924–1982), actress
- Jeff Morris (actor) (1934–2004), actor
- Richard Barzen Murrow (1912–2002), designer
Read more about this topic: Westwood Village Memorial Park Cemetery