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