Liam Gavin is an Irish film director and screenwriter, best known for his feature debut, A Dark Song (2016). This independent horror film, which he both wrote and directed, has been praised for its realistic and unsettling portrayal of dark magic rituals. Gavin's earlier work includes directing short films such as Jericho (2009) and Sunshower (2009). He also directed two episodes of the Netflix series The Haunting of Bly Manor (2020).