Chaffey is a surname. Notable people with the surname include:
George Chaffey (1848–1932), Canadian engineer, developer in California and AustraliaBen Chaffey (1876–1937), his son, pastoralist, businessman and racehorse ownerWilliam Chaffey (1856–1926), Canadian engineer, developer in California and AustraliaBill Chaffey (1915–1987), Australian politicianDon Chaffey (1917–1990), British film directorPaul Chaffey (born 1965), Norwegian politicianPat Chaffey (born 1967), American football playerMark Chaffey (born 1977), Australian Rules football playerJohn Chaffey, English actorSam Chaffey (1934–1998), New Zealand alpine skier