Groundnut may refer to:
- Seeds that ripen underground, of the following plants, all in the Faboideae subfamily of the legumes:
- Arachis hypogaea, the peanut
- Arachis villosulicarpa, a perennial peanut species
- Vigna subterranea, the Bambara groundnut
- Macrotyloma geocarpum, the Hausa groundnut
- Roots and tubers:
- Apios americana, the American groundnut or potato-bean
- Conopodium majus, called the kippernut among many other names
- Panax trifolius, or dwarf ginseng
See also
- Ground nuts, nuts subjected to grinding
- Earthnut (disambiguation)
- Tanganyika groundnut scheme