Låt den rätte komma in (English: Let the Right One In) is a Swedish romantic horror film by Tomas Alfredson from 2008. The film is based on the novel with the same name by John Ajvide Lindqvist. It tells the story of a 12-year-old boy's friendship with a vampire girl.

The film won the "The Founders Award for Best Narrative Feature" at the TriBeCa Film Festival in 2008