Gavin Heffernan (born April 2, 1980) is a Canadian filmmaker/screenwriter/photographer. He co-wrote the psychological horror feature The Taking of Deborah Logan (2014) and Paramount's Paranormal Activity: The Ghost Dimension (2015) with writing partner Adam Robitel. Deadline reported in July 2021, that Heffernan and Robitel had partnered with Darren Aronofsky on a thriller series for Netflix titled The Craving. In July 2019, Deadline posted that Heffernan and Robitel had teamed up with Sam Raimi on an "Untitled Supernatural Thriller" for Sony Pictures.