Langhorne Anthony "Tony" Motley (born June 5, 1938) is a former United States Ambassador to Brazil (1981–83) and Assistant Secretary of State for Western Hemisphere Affairs (1983–85).
He is a member of the American Academy of Diplomacy and Council on Foreign Relations.
Ambassador Motley has a wife and two children.
He received his Bachelor of Arts from The Citadel in 1960.