NGY

NGY, nGy or ngy may refer to:


 * Nagyágite, a rare sulfide mineral (IMA symbol: NGY)
 * nanogray, a unit of absorbed dose of ionising radiation equal to 10$-9$ Gray (unit) (symbol: nGy)
 * Papua New Guinea, a country in Oceania (IOC country code 1976-1980: NGY)
 * Suriname, a country in South America (former FIFA country code: NGY)
 * Tibea language, also known as Ngayaba, a language spoken in Cameroon (ISO 639-3: ngy)