Dougald MacKinnon (December 15, 1886 – August 21, 1970) was a farmer and political figure on Prince Edward Island.
He represented 4th Queens in the Legislative Assembly of Prince Edward Island from 1935 to 1959 as a Liberal.
He was born in Mount Buchanan, Prince Edward Island, the son of John MacKinnon and Flora Caroline MacLeod.
MacKinnon died at home in Mount Buchanan at the age of 83.
This article about a Prince Edward Island politician is a stub.