Let the Right One In

Let the Right One In may refer to:

• Let the Right One In (novel), a 2004 Swedish vampire fiction novel by John Ajvide Lindqvist
• Let the Right One In (film), a 2008 Swedish film based on the novel
• "Let the Right One In" (The Vampire Diaries), an episode of the TV series The Vampire Diaries
• "Let the Right One In," a song by the band Aiden from the album Knives
• "Let the Right One Slip In", a 1997 song by Morrissey, which inspired the name of Lindqvist's novel
• Let Me In (film), a 2010 film directed by Matt Reeves, based on both the novel and 2008 film
• "Let the Right One In" (play), a 2012 play adapted for the stage by Jack Thorne and directed by John Tiffany
• Let the Right One In (TV series), a 2017 television series adaptation of the novel