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