- Licia Maglietta (born 1954)
- Anna Magnani (1908–1973)
- Silvana Mangano (1930–1989)
- Alessia Marcuzzi (born 1972)
- Cristina Marsillach (born 1963) (born in Madrid, Spain; more properly, a Spanish actress who also starred in Italian films)
- Elsa Martinelli (born 1932 or 1935, depending on different sources)
- Alessandra Martines (born 1963)
- Franca Marzi (1926–1989)
- Giulietta Masina (1921–1994)
- Lea Massari (born 1933)
- Clelia Matania (1918–1981)
- Margaret Mazzantini (born 1961) (born in Dublin, Ireland)
- Rose McGowan (born 1973) (American actress born in Florence, Italy)
- Mariangela Melato (born 1941)
- Elsa Merlini (1903–1983)
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- Marisa Merlini (1923–2008)
- Giovanna Mezzogiorno (born 1974)
- Maria Michi (1921–1980)
- Alyssa Milano (born 1972) (American actress born in New York City, New York)
- Sandra Milo (born 1935)
- Milva (born 1939)
- Isa Miranda (1905–1982)
- Sandra Mondaini (1931–2010)
- Maria Monti (born 1935)
- Laura Morante (born 1956)
- Rina Morelli (1908–1976)
- Valeria Moriconi (1931–2005)
- Jone Morino (1896–1978)
- Caterina Murino (born 1977)
- Ornella Muti (born 1955)
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