Mary Byrne (disambiguation)
Mary Byrne (1917–2004) was Mayor of Galway.
Mary Byrne may also refer to:
- Mary Byrne (singer) (born 1959), Irish singer, 2010 The X Factor UK contestant
- Mary Freeman Byrne (1886–1961), American author
- Mary Gregg Byrne (born 1951), American portraitist, illustrator, and landscape artist
- Mary Rose Byrne (born 1979), Australian actress
- Mary Martha Byrne (born 1969), American actress
- Mary Elizabeth Byrne (1880–1931), Irish author and linguist
See also
- Mary Burns (disambiguation)
- Byrne (surname)