John A. Russo, sometimes credited as Jack Russo or John Russo, is an American screenwriter and film director most commonly associated with the 1968 horror classic film Night of the Living Dead, which he co-wrote with director George Romero. As a screenwriter, his credits include Night of the Living Dead, The Majorettes, Midnight, and Santa Claws. The latter two, he also directed. He has performed small roles as an actor, most notably the first ghoul who is stabbed in the head in Night of the Living Dead, as well as cameos in There's Always Vanilla and House of Frankenstein 1997. He was the Publisher and Managing Editor of the magazine Scream Queens Illustrated that featured popular stars of Horror films and other genres.

Night of the Living Dead is a 1968 American independent horror film directed, photographed, and edited by George A. Romero, written by Romero and John Russo, produced by Russell Streiner and Karl Hardman, and starring Duane Jones and Judith O'Dea. The story follows seven people trapped in a farmhouse in rural Pennsylvania, under assault by reanimated corpses. Although the flesh-eating monsters that appear in the film are referred to as "ghouls", they are credited with popularizing the modern portrayal of zombies in popular culture.