McAdoo is a surname. Notable people with the surname include:
Ben McAdoo (born 1977), American football coach Benjamin F. McAdoo (1920–1981), American architect Bob McAdoo (born 1951), American basketball player Charles McAdoo (born 2002), American baseball player Derrick McAdoo (born 1965), American football player Eleanor Wilson McAdoo (1889–1967), daughter of Woodrow Wilson and second wife of William Gibbs McAdoo Harriette Pipes McAdoo (1940–2009), American sociologist and professor Henry McAdoo (1916–1998), Irish bishop James Michael McAdoo (born 1993), American basketball player John David McAdoo (1824–1883), Confederate general Mike McAdoo (born 1990), American football player Orpheus McAdoo (1858–1900), African-American singer and minstrel show impresario Stephen McAdoo (born 1970), American football player and coach Tullie McAdoo (1884–1961), American Negro league baseball player Violet McAdoo (1900–1961), Irish artist William McAdoo (New Jersey politician), (1853–1930) William Gibbs McAdoo (1863–1941), American Democratic politician and Secretary of the Treasury in World War I