Darin Paul Mastroianni (born August 26, 1985) is an American former professional baseball player. He played in Major League Baseball (MLB) for the Toronto Blue Jays and Minnesota Twins. Mastroianni was born in Mount Kisco, New York and attended Fox Lane High School in Bedford, New York and then Winthrop University and University of Southern Indiana. He was drafted by the Toronto Blue Jays in the 16th round of the 2007 MLB amateur draft.