Chang Hao may refer to:

Chang Hao (Go player) (born 1976), Chinese Go player Chang Hao (historian) (1936–2022), Taiwanese historian and sinologist Chang Hao (windsurfer) (born 1990), Taiwanese windsurfer Chang Hao (synchronised swimmer) (born 1997), Chinese synchronised swimmer

See also Zhang Hao (disambiguation) — "Chang Hao" is the Wade–Giles equivalent of "Zhang Hao"