A megaphone is a portable funnel-shaped device used to amplify a person's voice or other sounds.
Megaphone may also refer to:
Megaphone (podcasting), a podcasting technology company, formerly Panoply Media Megaphone (band), rock band from Orlando, Florida Megaphone desktop tool, the pro-Israel lobbying software tool Megaphone (molecule), cytotoxic neolignan from Aniba megaphylla MegaFon, a Russian mobile phone operator Das Megaphon, an Austrian street newspaper