Sir William Campbell Wylie (14 May 1905 – August 1992) was a New Zealand-born colonial judge who was the last Chief Justice of Sarawak, North Borneo and Brunei and the first Chief Justice of Borneo.
He was born in Dannevirke, New Zealand and educated at Auckland Grammar School and the Victoria University of Wellington. He graduated in law in 1928 and practised at Kaikohe until the Second World War, when he served in the legal department of the Army in the Pacific and the Middle East.
In 1946 he joined the Colonial Legal Service in Malaya and in the 1950s was appointed Attorney-General in turn of Barbados (1951–55) and British Guiana, after which he was Justice of Appeal in the West Indies. He was knighted in 1963.
In 1963 he was made the last Chief Justice of the Combined Judiciary of Sarawak, North Borneo and Brunei and in the same year became the first Chief Justice of Borneo (until his retirement in 1965). In retirement he was briefly involved in law reform in Tonga and the Seychelles.
He married Leita Clark in 1933.