William Francis Conolly-Carew, 6th Baron Carew (23 April 1905 – 27 June 1994), was an Anglo-Irish hereditary peer who was aide-de-camp to the Governor of Bermuda, Sir Thomas Cubbitt, between 1931 and 1936.

Born William Francis Carew, he assumed the additional surname of Conolly by deed poll in 1938. He was the eldest son of Gerald Carew, 5th Baron Carew, and Catherine Conolly, daughter of Thomas Conolly of Castletown, Celbridge, County Kildare.

Carew was educated at Wellington College and the Royal Military College, Sandhurst.

Carew was gazetted into the Duke of Cornwall's Light Infantry in 1925 and served during the Second World War as a captain, reaching the brevet rank of major.

He inherited the Carew baronies and a seat in the House of Lords upon the death of his father in 1927.

Carew was appointed a Commander of the Order of the British Empire (CBE) in 1966 and was also a Companion of the Order of Saint John (CStJ).

Carew was married on 3 June 1937 to Lady Sylvia Gwendoline Eva Maitland (1913–1991), a daughter of Ian Maitland, 15th Earl of Lauderdale, and his wife Ethel Mary (née Bell-Irving). They had four children:^[1]

• Patrick Thomas Conolly-Carew, 7th Baron Carew (6 March 1938 – 18 December 2024)
• Hon. Diana Sylvia Conolly-Carew (born 7 April 1940), married 1985 Baron Alexis Petrovich Wrangel (1922–2005), son of Baron Pyotr Wrangel.
• Hon. Gerald Edward Ian Maitland-Carew (born 28 December 1941)
• Hon. Sarah Catherine Conolly-Carew (born 6 November 1944)

Carew died in June 1994 at the age of 89. He was succeeded in the baronies by his elder son, Patrick.

• Who's Who, London: Black, 1945, p. 439.
• Kidd, Charles & Williamson, David (eds.) (1990) Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, ^{[page needed]}
• Leigh Rayment's Peerage Pages ^{[self-published source] [better source needed]}