How is a surname, derived either from a contraction of Howe, or from various place names such as How, Cumbria. It may also be a variant spelling of the Chinese surname Hao. Notable people with the surname include:
Bradford How (born 1977), Canadian video jockeyJames Eads How (1874–1930), American hobo organizerJamie How (born 1981), New Zealand cricketerJane How (born 1951), English actressMartin How (born 1931), British composer and organistRichard How (born 1944), Australian rugby union playerWilliam Walsham How (1823–1897), English bishop of Wakefield