Jack O'Connell, American educator and politician
Jack O'Connell may refer to:
Jack O'Connell (actor) (born 1990), English actor
Jack O'Connell (Australian politician) (1903–1972), member of the Victorian Legislative Council
Jack O'Connell (diplomat) (1921–2010), American diplomat and CIA Station chief in Amman, Jordan, 1963–1971
Jack O'Connell (filmmaker) (1923–2019), American director of the 1968 film Revolution
Jack O'Connell (English footballer) (born 1994), English footballer
Jack O'Connell (Australian footballer) (1902–1975), Australian rules footballer
Jack O'Connell (American politician) (born 1951), American politician
Jack O'Connell (rugby union) (born 1990), Irish rugby union player
Jack O'Connell (author) (born 1959), American novelist