URG may refer to: Epidermal growth factor, EGF, a protein that stimulates cell growth and differentiation (human EGF: urogastrone, initially) urg, the ISO 639-3 code for Urigina language Ruben Berta International Airport, the IATA code URG Uruguaiana Station, the station code URG Air Urga, the ICAO code URG University of Rio Grande, a university and community college in Ohio, U.S.