J. J. O'Connell may refer to:

J. J. "Ginger" O'Connell (1887–1944), Irish revolutionary Joseph J. O'Connell (1905–1983), American lawyer and government official

See also Jerry J. O'Connell (1909–1956), American attorney and politician John J. O'Connell (politician), American attorney and politician from Washington John J. O'Connell (police officer) (1884–1946), New York policeman John Joseph O'Connell (1894–1949), American federal judge Joseph John O'Connell (1861–1959), engineer and inventor