An earworm is a piece of music that repeats compulsively within one's mind.

Earworm may also refer to:

Earworm Records, a British record label DJ Earworm, an American mashup artist "Earworm" (SpongeBob SquarePants), an episode of SpongeBob SquarePants

See also Corn earworm (disambiguation) Earwig (disambiguation) Star Trek II: The Wrath of Khan, a science fiction film that featured an eel that entered its victims through their ears