Arthur William (Bill) Cox, (May 13, 1921 – October 8, 2008) was a Canadian lawyer, practising in Halifax, Nova Scotia.
He served overseas during World War II.
On his return to Canada, he became an active member of the legal profession, serving as president of the Nova Scotia Barristers' Society (1971-1972), the Federation of Law Societies of Canada (1975-1976) and the Canadian Bar Association.
He was also active politically, with both the Progressive Conservative Party of Canada and the Progressive Conservative Party of Nova Scotia.