Beware of the dog refers to a warning sign indicating that a dangerous dog is within.

Beware of the dog or beware of dog may also refer to:

Literature Beware of the Dog (novel), a 1992 crime fiction novel by Peter Corris "Beware of the Dog" (short story), a short story by Roald Dahl

Music Beware of Dog (album), an album by Lil Bow Wow Beware of the Dogs, 2019 album by Stella Donnelly Beware of The Dogs (The Dogs album), 1991 Beware of the Dog!, an album by Hound Dog Taylor "Beware of the Dog" (song), a song by Jamelia "Beware of the Dog", the B-side to "The Ballad of Bonnie and Clyde" by Georgie Fame

TV and entertainment "Beware of the Dog" (Millennium), a season two episode of Millennium Beware of Dog (TV series), an American sitcom In Your House 8: Beware of Dog, a WWE pay-per-view event Beware of Dogs, a 2014 Indian film