George Musarurwa Gregan (born 19 April 1973) is a retired Australian rugby union player. He played as a scrum-half. He is Australia's highest ever internationally capped player. He made 139 appearances for his country. He won the 1999 Rugby World Cup. As captain of Australia, he won the Bledisloe Cup in 2002 and lost the final of the 2003 Rugby World Cup against England. He also played for the Brumbies between 1996 and 2007.