Sir William Jones FRS FRSE (September 28, 1746 – April 27, 1794) is an Anglo-Welsh philologist, a puisne judge on the Supreme Court of Judicature at Fort William in Bengal, and a scholar of ancient India, particularly known for his proposition of the existence of a relationship among European and Indian languages, which will later be known as Indo-European languages.
He, along with Henry Thomas Colebrooke and Nathaniel Halhed, foundsthe Asiatic Society of Bengal in 1784.