Joe O'Brien may refer to: Joe O'Brien (American football) (born 1972), American football player / coach Joe O'Brien (basketball) (born 1955), American basketball coach Joe O'Brien (cyclist) (fl. 1959–1960), Irish cyclist Joe O'Brien (footballer) (1875–?), Scottish footballer Joe O'Brien (harness racing) (1917–1984), American driver, trainer and owner Joe O'Brien (politician), Irish Green Party politician and TD in the 32nd Dáil