William Oliver Fulton (24 February 1891 – 27 August 1975) was an Australian politician.
Educated locally, he became a blacksmith at Charlton and Wonthaggi, and served with the 13th Light Horse Regiment in World War I.
In 1942 he was elected to the Victorian Legislative Assembly as the Country Party member for Gippsland North.
In 1950 he was appointed Minister of Health in the Country Party government, but he lost his seat in 1952.
In 1953 he won a by-election for Gippsland Province in the Victorian Legislative Council, where he served until his retirement in 1964.