Sir Hercules Langrishe, 1st Baronet (1729 – 1 February 1811) was an Irish politician.
He was first elected to represent Knocktopher in the Irish House of Commons in May 1761, and sat until he resigned his seat in March 1800. In 1776 he was also returned for Callan, but was declared not duly elected.
- T. H. S. Escott, Club Makers and Club Members (1913), pp. 329–333