Guppy (disambiguation)
Guppy is a
- Freshwater fish from the viviparous toothcarps subfamily, see Guppy
- converted aircraft from Conroy Aircraft in the US, see Guppy (aircraft)
GUPPY
- was a modernization program of the US Navy after World War II, see Greater Underwater Propulsion Power Program
- is the name of Sarah Guppy (1770-1852), an English inventor and engineer