Andrew David Barker is a UK screenwriter, novelist, and film director.

As a filmmaker, he wrote and directed the post-apocalyptic micro-feature, A Reckoning, which starred Leslie Simpson and Axelle Carolyn, and has made several award-winning short films, including Laura Living Backwards, which he co-wrote with director Kate Horlor, Shining Tor, Two Old Boys, and Baby on Board, from a script by Stephen Volk. In the feature film world, Barker is a co-screenwriter on the forthcoming horror, How to Survive the Wild, starring Tim Plester and Richard Brake, directed by Adam Park, and the writer/director of the micro-budget chiller, The House on Lidderman Street.