A man with a very strange face.
Derp may refer to:
- Mr. Derp, a minor character in South Park, a show that popularized the Internet slang word derp.
- Egmond aan Zee, a village in the Netherlands commonly referred to as Derp by locals.
- Drug Effectiveness Review Project
- D.E.R.P., a robot character seen in the Fresh Beat Band of Spies episode “Dance Bots”