Arts and entertainment
* Gru (rapper), Serbian rapper * Gru, an antagonist in '' The Kine Saga''Organizations
Georgia (country)
* Georgian Rugby Union * Grigol Robakidze UniversityPoland
* Growth Research Unit, Cracow University of EconomicsSoviet Union and Russia
* GRU (Russian Federation), Russian intelligence service * GRU (Soviet Union), Soviet military intelligence service * Spetsnaz GRU, Russian army special forcesUnited States
* Gainesville Regional Utilities, Florida * Georgia Regents University, Georgia * Georgia Rugby Union (United States)Science and technology
* Gated recurrent unit, mechanisms in recurrent neural networks * Abbreviation for the constellation GrusStandardized codes
* GRU, IATA airport code of São Paulo–Guarulhos International Airport, Brazil * gru, ISO 639-3 language code of the Soddo languageSee also
* Grue (disambiguation) * Grus (disambiguation) * Groo (disambiguation) * Grew, a surname * Grewe, a surname {{Disambiguation