Mervyn John Cross OAM is an Australian former rugby league footballer and orthopedic surgeon. He played in Australia's major competition the New South Wales Rugby League (NSWRL) but Cross, a doctor, is better known for his achievements in the field of sports medicine as an Orthopaedic surgeon Cross was known as a strong defensive forward who played for the South Sydney (1960–61), the Eastern Suburbs (1962) and North Sydney in 1963. At the end of the 1990s, Doctor Cross took up a position as an NRL board member.