Gy

• Gray (unit) (Gy), SI unit of absorbed radiation • Giga-year, 1,000,000,000 years (non-SI) • Galactic year, the time it takes for the Solar System to orbit the Galactic Center ==Businesses and organisations==

• Gabon Airlines (IATA:GY) • GenCorp (NYSE:GY) • Green Youth (disambiguation), a Green party youth wing == Language ==

• Hungarian gy, an alphabetic digraph • gy, a digraph in the Tibetan pinyin transliteration system ==People==

• Pierre Gy (1924–2015), French chemist and statistician • Garin de Gy, 14th century Catholic Master of the Order of Preachers ==Places==

United Kingdom • GY postcode area, of the Bailiwick of Guernsey • Great Yarmouth • Grimsby Elsewhere • Guyana (ISO 3166: GY) • Gy, Haute-Saône, France • Gy, Switzerland ==Science and technology==

• .gy, the country code top level domain (ccTLD) for Guyana • Mazda GY, a car engine • Grapevine yellows, a plant disease • Gy, the on-line charging interface in the GPRS core network