William Angus Dickson (9 February 1882 – 25 July 1967) was a Canadian politician.
He was a Liberal member of the Legislative Assembly of Ontario from 1934 to 1945 who represented the riding of Perth.
He is related to Thomas Ballantyne, and great-grandfather of Jane Philpott.
[1] Dickson was reeve of Elma Township.
In 1934, he ran as the Liberal candidate in the riding of Perth County.