Charles Edward Dempster (19 December 1839 – 22 July 1907) was a politician in Western Australia, serving two terms in the Legislative Council—as the member for Toodyay in 1873–1874, and as one of the three East Province members from 1894 until 1907. A farmer and grazier by trade, he was also one of the first European explorers of the Esperance district as well as a councillor and chairman on the Toodyay and Northam Road Boards for many years.