Craig O'Brien (born 3 March 1970) is a former Australian rules footballer who is most notable for his stint with the Essendon Football Club, St Kilda Football Club and finishing his career at the Sydney Swans in the Australian Football League.O'Brien was a dangerous small forward (Height: 174 cm; Playing Weight: 89 kg) from Rye in Victoria. His style can be compared to current Swan Ryan O'Keefe, and he was a tough uncompromising in and under player. In 1991, he was traded by Essendon to St Kilda. At the end of 1995, he was traded to the Swans. After several years at the Swans, O'Brien retired in 2000.