David Kent Purcey (born April 22, 1982 in St. Charles, Illinois) is a left-handed pitcher for the Toronto Blue Jays. A 6' 5" 240 lb. hard thrower, Purcey originally was drafted in the 2001 entry draft by the Seattle Mariners in the 20th round. His major league nickname is Lefty.

He then was drafted again by the New York Yankees in the 17th round of the 2003 entry draft, and finally drafted once again by Toronto in the 1st round (16th overall) during the 2004 MLB entry draft.

Purcey attended high school at Trinity Christian Academy in Addison, Texas, and then attended the University of Oklahoma, where he played for the Sooners baseball team.