Tredway is a surname. Notable people with the surname include:
Brock Tredway (born 1959), Canadian ice hockey player Lettice Mary Tredway (1595–1677), English abbess William Tredway (American politician) (1807–1891), American politician Luke Aaron Tredway (1974–1984), presumed victim of American serial killer Douglas Franklin Wright
See also Treadway (surname)