Trevor Pettit (born March 14, 1951) is a former politician in Ontario, Canada.
He was a Progressive Conservative member of the Ontario legislature from 1995 to 1999 who represented the riding of Hamilton Mountain.
He worked as a sales director for a manufacturing company in neighbouring Dundas which is now part of Hamilton.
He advocated the amalgamation of Hamilton with neighbouring municipalities, a policy initiative which was passed during the Harris government's second term.
[4] In 2010, he attempted to unseat incumbent Scott Duvall for the position of Hamilton city councillor in Ward Seven, but was unsuccessful.