Doop may refer to:
- Doop, an angel in the Enochian occult language
- Doop (comics), a Marvel Comics character affiliated with X-Force (later X-Statix)
- D.O.O.P. or Democratic Order of Planets on the television program Futurama
- Doop (band), the Dutch duo responsible for the hit single of the same name
- Doop (CMS), a content management system written in PHP and Javascript