Sharon A. Williams (1951–2016) was a Canadian lawyer and legal scholar who served as a member of the Permanent Court of Arbitration at the Hague from 1991 to 1997, was a consultant to the Canadian Department of Justice on extradition matters, and was a Judge ad litem at the International Criminal Tribunal for the Former Yugoslavia from 2001 to 2003. She studied at Exeter (LL.B.) and Osgoode Hall Law School where she was a professor of law.