Deborah Kaplan (born November 11, 1970) is an American screenwriter and film director.

Raised in Abington, Pennsylvania, Deborah Kaplan met her creative partner Harry Elfont 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.

Kaplan married actor Breckin Meyer (who had small roles in both of the films she directed) on October 14, 2001. They have two children together, a daughter named Caitlin Willow, born on December 31, 2003 and another daughter named Clover.