Arthur George Rigg (17 February 1937 - 7 January 2019) was a British academic and medievalist.
Rigg was born in Wigan on 17 February 1937, and attended Wigan Grammar School. He enrolled at Pembroke College, Oxford between 1955 and 1959, and also earned a doctorate at Oxford University. As a doctoral student, Rigg taught at Merton College and Balliol College. Rigg was visiting assistant professor at Stanford University from 1966 to 1968, after which he moved to the University of Toronto. Rigg was elected a fellow of the Medieval Academy of America in 1997 and of the Royal Society of Canada in 1998, and was granted emeritus status upon retirement in 2002. He died on 7 January 2019.