Christmas horror is a fiction genre and film genre that incorporates horror elements into a seasonal setting. It is popular in multiple countries.

A Christmas Carol. In Prose. Being a Ghost Story of Christmas, commonly known as A Christmas Carol, is a novella by Charles Dickens, first published in London by Chapman & Hall in 1843 and illustrated by John Leech. It recounts the story of Ebenezer Scrooge, an elderly miser who is visited by the ghost of his former business partner Jacob Marley and the spirits of Christmas Past, Present and Yet to Come. In the process, Scrooge is transformed into a kinder, gentler man.