A loudspeaker is an electroacoustic transducer that converts an electrical signal into sound.
Loudspeaker may refer to:
- A public address system
- The Loudspeaker, a 1934 American film directed by Joseph Santley
- Loudspeaker (album), a 2006 instrumental album by the guitarist Marty Friedman
- Loudspeakers (band), a Georgian rock band
- Loudspeaker (2009 film), a 2009 Indian Malayalam film directed by Jayaraj starring Mammootty
- Loudspeaker (2018 film), a 2018 Indian Kannada film