Hugh Mackintosh Foot, Baron Caradon, PC (October 8, 1907 - September 5, 1990), was a British diplomat who oversaw moves to independence in various colonies and was UK representative to the United Nations.

Foot was the son of solicitor and Liberal Party MP Isaac Foot, and brother of MP Sir Dingle Foot, John Foot, Baron Foot and Labour Party MP and former party leader, Michael Foot. He was the father of the late Paul Foot, a journalist.

Foot's career in the diplomatic service was long and distinguished. During World War II, he was British Military Administrator of Cyrenaica, 1943 then Colonial Secretary of Cyprus, 1943-1945. After the War, he served as Colonial Secretary of Jamaica, 1945-1947, Chief Secretary for Nigeria, 1947-1950 and Captain General and Governor in Chief of Jamaica, 1951-1957. He returned to Cyprus as the last colonial Governor and Commander in Chief, 1957-1960. In 1961, he became British Ambassador to the United Nations Trusteeship Council. After Harold Wilson won the 1964 election, Foot became Minister of State for Foreign Affairs and British Ambassador to the United Nations, 1964-1970. After his retirement, he became a Visiting Fellow at Harvard University and Princeton University.

Foot was created a life peer as Baron Caradon, of St Cleer in the County of Cornwall in 1964.