Hans Hermann Wilhelm Groër OSB (13 October 1919 – 24 March 2003) was an Austrian Cardinal of the Roman Catholic Church. He served as Archbishop of Vienna from 1986 to 1995, and became a cardinal in 1988. Pope John Paul II replaced him as archbishop after multiple allegations of sexual abuse of children, and at John Paul's request Groër relinquished all ecclesiastical duties and privileges as an archbishop and cardinal on 14 April 1998.