Brian Julian O'Neill (born 14 October 1972) is an Australian former professional rugby league footballer who played in the 1990s and 2000s. Primarily a goal-kicking fullback or five-eighth and goal-kicker, during his 14-year top-grade career he played with several clubs in both Australia and England, which included two NSWRL premierships, a Challenge Cup victory as well as state and national representative honours. However O'Neill also regularly made headlines for his involvement in numerous controversial off-field incidents.