By the Light of the Moon

By the Light of the Moon may refer to:

• By the Light of the Moon (novel), 2002 novel by Dean Koontz
• By the Light of the Moon (album), 1987 album by Los Lobos
• By the Light of the Moon (film), 1911 film by Edwin S. Porter
• "By the Light of the Moon" (The Vampire Diaries), an episode of the TV series The Vampire Diaries
• "Au clair de la lune" ("By the Light of the Moon"), a French folk song of the 18th century
• Au clair de la lune (film), a 1983 Canadian film directed by André Forcier