Samuel Merrill may refer to: Samuel Merrill (Indiana politician) (1792–1855), early leading figure in Indiana Samuel Merrill (Iowa governor) (1822–1899), Republican Governor of Iowa from 1868 to 1872 Samuel Merrill III (born 1939), political scientist and mathematician Sam Merrill (born 1996), NBA basketball player, currently of the Cleveland Cavaliers Samuel Ingham Merrill (1856–1932), California businessman and philanthropist