William McDougall (January 16, 1816 – May 2, 1886) was a shipbuilder, ship owner and political figure in Nova Scotia, Canada.
He represented Hants County in the Nova Scotia House of Assembly from 1871 to 1874 as a Liberal-Conservative member.
McDougall married Sarah O'Brien.
He drowned at sea during a voyage between Philadelphia and Havre.
This article about a Member of the Nova Scotia House of Assembly is a stub.