Sir William Humfreys, 1st Baronet (also spelled Humphreys; died 26 October 1735), was a British ironmonger and politician who sat in the House of Commons from 1715 to 1722.
He followed his father into the ironmongery trade of London, and was Master of the Worshipful Company of Ironmongers in 1705.
He married secondly, on 6 January 1705 at Knightsbridge Chapel, Ellen, the widow of Col. Robert Lancashire of London.
He was succeeded by his only son, Orlando, who married Ellen Lancashire, his stepmother's daughter by her first husband.
[1] In the complicated family circumstances Hever Castle was sold in 1749 to Timothy Waldo.