William Thompson (New South Wales politician)

For the Irish-born Australian politician, 1863–1953, see William Thompson (Australian politician).

William Thompson (22 January 1862 – 6 October 1937) was an Australian politician.

He was born in Queanbeyan to surveyor James Banford Thompson and Margaret Carroll. From 1878 to 1885 he was a clerk in the Colonial Architect's office, before becoming a quantity surveyor and moving to Ryde in 1898. On 4 March 1885 he had married Florence Single, with whom he had two children. He owned a horse farm on the Hawkesbury River and was a founder of the New South Wales Masonic Schools Welfare Fund. In 1913 he was elected to the New South Wales Legislative Assembly as the Liberal member for Ryde, serving until his retirement in 1920. Thompson died at Ashfield in 1937.