Sir William Pynsent, 1st Baronet

Sir William Pynsent or Pinsent, 1st Baronet (1642–1719), of Urchfont, Wiltshire, was an English landowner and politician who sat in the House of Commons in 1689.

Pynsent was baptised on 10 August 1642, the only son of William Pinsent, Merchant Taylor, of Watling Street, London and his wife Anne Lancelot, daughter of William Lancelot, Mercer, of St Olave, Hart Street, London.

In 1678 he purchased an estate at Urchfont, where he built a house, four miles from Devizes.

Pynsent, a dissenter, was recommended for the Commission of the Peace for Wiltshire in 1688, serving as JP until his death.

At the 1689 general election he was returned on the corporation interest as Member of Parliament (MP) for Devizes.