Ned Rubenstein, played by Mark Nelson, is a character who appears in the 1980 film Friday the 13th.
Ned arrives at Camp Crystal Lake with Jack Marand and Marcie Cunningham, joining Alice Hardy, Bill, and Brenda to help Steve Christy fix up the long troubled Camp Crystal Lake in time for the Summer Camp to begin.
Ned is a prankster, scaring Brenda by shooting an arrow at a target right next to her. As a thunderstorm approaches, Ned notices someone go into a cabin, who he follows. Ned is seen later in the top bunk of the same bed that Jack and Marcie are having sex in, with his throat slit.