Harry Elfont (born April 5, 1968) is an American screenwriter and film director.
Born in Philadelphia, Pennsylvania and raised in nearby Lower Moreland Township, he met his creative partner Deborah Kaplan while they were both enrolled at the Tisch School of the Arts of New York University (NYU). They have since written several films together, and directed two: Can't Hardly Wait and Josie and the Pussycats.
His mother was a teacher at Murray Avenue grade school in Lower Moreland.
Elfont was inducted in Lower Moreland High School's Hall of Fame in 1998.