Treadaway is a surname. Notable people with the surname include:
Allen Treadaway (born 1961), American politician John Treadaway (1914–1993), British boxer Harry Treadaway (born 1984) British stage, film and television actor Luke Treadaway (born 1984), British stage, film and television actor Ray Treadaway (1907–1935), American Baseball player Wallace Treadaway (1918–2003), South African cricketer
See also Treadway (surname) Tredway, a surname