The term or acronym GARP can refer to:
- Generic Attribute Registration Protocol, a communications protocol
- Genetic Algorithm for Rule Set Production, to determine ecological niches
- Global Atmospheric Research Programme, 1967-1982
- Global Association of Risk Professionals, a globally recognized membership association for risk managers.
- Gratuitous Address Resolution Protocol
Or it could refer to the following fictional works or characters:
- Monkey D. Garp, a character in the Japanese anime One Piece
- The World According to Garp, a 1978 novel by John Irving
- The World According to Garp (film), a 1982 film based on Irving's novel