Leo Francis Rossiter (January 15, 1923 – October 25, 1996) was a merchant, realtor and political figure on Prince Edward Island.
He represented 2nd Kings in the Legislative Assembly of Prince Edward Island from 1955 to 1981 as a Progressive Conservative.
Rossiter operated a general store and sold farm equipment.
After retiring from politics, Rossiter served as chair of the Workman's Compensation Board.
Rossiter died at the Queen Elizabeth Hospital in Charlottetown at the age of 73.