William Brouncker (c. 1620 – 1680) was an English politician who sat in the House of Commons in 1660.
Brouncker was the son of William Brouncker of Erlestoke, Wiltshire and his wife Anne Dauntsey, daughter of Sir John Dauntsey of Bishop's Lavington in the same county.
[2] He was JP for Wiltshire again from March 1660 to about 1663 and commissioner for assessment from August 1660 until his death.
[2] In 1677 he sold the manor of Erlestoke to Richard Mason, but retained the manorhouse.
[2] In 1689 his youngest son Dauntsey (d. 1693) recovered the manor from Sir Stephen Fox.