Sir William Jones FRS FRSE (28 September 1746 – 27 April 1794) was 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 would later be known as Indo-European languages. His father William Jones (1675–1749) was a mathematician from Anglesey in Wales, noted for introducing the use of the symbol π.
