Stephen Greenleaf (1628 – 1 December 1690) was an American colonial politician and soldier.
[2] From 1676 to 1686, Greenleaf served as deputy to the Massachusetts General Court for Newbury.
After ten years service in politics, he was appointed captain of the militia.
It was in this capacity that he joined Sir William Phips's expedition to take Quebec from the French.
However, Greenleaf and his ship were lost at sea near Cape Breton Island on the return of the failed invasion.