Dwight F. Davis, American tennis player and politician, 49th United States Secretary of War (d. 1945)

Dwight Filley Davis Sr. (July 5, 1879 – November 28, 1945) was an American tennis player and politician. He is best remembered as the founder of the Davis Cup international tennis competition. He was the Assistant Secretary of War from 1923 to 1925 and Secretary of War from 1925 to 1929.