Marshall Dean is a Canadian politician and businessman. He represented the district of The Straits – White Bay North in the Newfoundland and Labrador House of Assembly, as a member of the Liberal Party. Dean won his seat in a by-election in October 2009, after the resignation of Cabinet Minister Trevor Taylor, but was not re-elected in the 2011 provincial election.On March 30, 2010, Dean was ejected from the provincial legislature during question period for unparliamentary language.