Dinwiddie (also Dinwiddy) is a surname. Notable people with the name include: Dinwiddie Bill Dinwiddie (born 1943), American basketball player Gene Dinwiddie (1936–2002), American blues saxophonist James Dinwiddie (surgeon), Confederate military surgeon James Dinwiddie (astronomer) (1746 - 1815), Scottish natural philosopher Marcus Dinwiddie (1906–1951), American sport shooter Robert Dinwiddie (1693–1770), British lieutenant governor of colonial Virginia Robert Dinwiddie (golfer) (born 1982), English golfer Ryan Dinwiddie (born 1980), American gridiron football quarterback Spencer Dinwiddie (born 1993), American professional basketball player Traci Dinwiddie (born 1973), American film and television actress William Dinwiddie (1867–1934), American journalist, war photographer, writer and colonial administrator in the Philippines Dinwiddy Bruce Dinwiddy (1946–2021), governor of the Cayman Islands Hugh Dinwiddy (1912–2009), English cricketer See also Dinwiddie (disambiguation)