Chiller is a five-part British horror fantasy anthology television series, produced by Yorkshire Television, that first broadcast on ITV on 9 March 1995. Described by The Guardian as ITV's "answer to The X-Files", the series was inspired by, but unconnected to, the 1991 Channel 4 thriller Gray Clay Dolls, which broadcast under the Chiller banner, the series featured writing contributions from renowned playwrights Stephen Gallagher, Glenn Chandler and Anthony Horowitz.

Each story involves, to some extent, a supernatural element; and also a number of leading British actors, including the likes of Nigel Havers, Martin Clunes, John Simm, Peter Egan and Kevin McNally. Lawrence Gordon Clark, a former showrunner for the BBC's A Ghost Story for Christmas strand, acts as executive producer, alongside David Reynolds and Peter Lover. The series' opening episode, Prophecy, was adapted from a story by novelist Peter James. The complete series of Chiller was released on Region 2 DVD via Network Distributing on 1 July 2013. Shout! Factory, copyright holders of the series, uploaded all five episodes to YouTube on 31 October 2018 as part of their Halloween celebrations.