A harpy is a death-spirit in Greek mythology.
Harpy may also refer to:
- Harpy Eagle, a species of eagle
- Harpy Valentine, a minor character from Saint Seiya
- IAI Harpy, an unmanned aerial vehicle
- The Harpy, an American film
- Harpy, a character in the video game Puyo Puyo
- Harpuia, one of the Four Guardians in the Mega Man Zero games
- In Marvel Comics, it may refer to:
- Betty Ross, the first Harpy
- Marlo Chandler, the second Harpy