A message in a bottle is a form of communication whereby a message is sealed in a container and released into a body of water.

Message in a bottle may also refer to:

• Message in a Bottle (film), a 1999 film based on the 1998 Nicholas Sparks novel
• Message in a Bottle (novel), a 1998 novel by Nicholas Sparks
• "Message in a Bottle" (The Police song), 1979
• "Message in a Bottle" (Taylor Swift song), 2021
• "Message in a Bottle" (Stargate SG-1), a 1998 episode of Stargate SG-1
• "Message in a Bottle" (Star Trek: Voyager), a 1998 episode of Star Trek: Voyager
• The Message in the Bottle, a 1975 collection of essays by novelist Walker Percy
• Message in a Bottle (album), an album by JJ Lin

See also

• "MS. Found in a Bottle," an 1833 short story by Edgar Allan Poe ("MS." = manuscript)
• The Letter in the Bottle, a 2006 non-fiction book by British author Karen Liebreich