Hubert John Duggan (24 July 1904 – 25 October 1943) was an Argentine-born British Army officer and politician, who was Conservative Party Member of Parliament for Acton from 1931 until his death. He was an opponent of appeasement and broke the whip on several important occasions, voting to bring down Neville Chamberlain in 1940.
A witty and handsome man who very much enjoyed the company of women, Duggan was married only briefly before becoming the plaintiff in a scandalous divorce case. He suffered from ill health; brought up in the Catholic faith, he lapsed in adolescence but returned when on his deathbed. Episodes in his life inspired writers Evelyn Waugh and Anthony Powell to fictionalise him.