O'Neil
O'Neil is a family name for the following people:
- Barbara O'Neil (1910–1980), American actress
- Brian O'Neil (born 1972), Scottish football player
- Buck O'Neil (1911-2006), American baseball player
- Cathy O'Neil (* 1972), American mathematician and author
- Chris O'Neil (born 1956), Australian tennis player
- Dennis O'Neil (1939-2020), American novelist and comic book author
- Dennis Patrick O'Neil (1940–2003), American clergyman, auxiliary bishop of San Bernardino
- Dorothy O'Neil (* 1930), American badminton player
- Emilee O'Neil (* 1983), American soccer player
- Gary O'Neil (born 1983), English soccer player
- John O'Neil (rugby player) (1898–1950) American rugby union player
- John O'Neil (baseball player) (born 1946), American baseball player
- John O'Neil (soccer player) (born 1971), Scottish soccer player
- Joseph H. O'Neil (1853–1935), American politician
- Kitty O'Neil (1946–2018), American stunt woman and racing driver
- Leo Edward O'Neil (1928–1997), American clergyman, Bishop of Manchester
- Lorena Martínez O'Neil († 2015), Uruguayan artist
- Melissa O'Neil (born 1988), Canadian actress
- Paddy O'Neil (1926-2010), British actress
- Peggy O'Neil (1898-1960), Irish-American actress
- Thomas Michael O'Neil (* 1940), American physicist
- Titus O'Neil (born 1977), American wrestler
- Tricia O'Neil (born 1945), American actress
- William O'Neil (* 1927), Canadian engineer and shipping official
Others:
- Mount O'Neil , mountain in Marie Byrd Land, Antarctica
See also:
