GRR may refer to: Transport Agroar Carga Aérea, a defunct Portuguese airline Gadalar railway station, in Pakistan Georgetown Railroad, in Texas Gerald R. Ford International Airport, in Grand Rapids, Michigan Grand River Railway, in Ontario, Canada Vernon J. Ehlers Station, in Grand Rapids, Michigan Great River Road, a tourist route that parallels the Mississippi River from Lake Itasca, Minnesota, to Venice, Louisiana
Other uses Gainesville Roller Rebels, an American roller derby league Gate River Run, a running race in Jacksonville, Florida Generalized resistance resource, a concept in the salutogenic model of health Gibran Rakabuming Raka (born 1987), vice president of Indonesia Gradual release of responsibility, teaching model Green Reefers, a Norwegian shipping company Gross reproduction rate Grothendieck–Riemann–Roch theorem Gurara language, a Berber language of Algeria with the ISO 639-3 code grr
See also Grrr (disambiguation)