GRB or grb may refer to:
Organizations
edit- Gage Roads Brewing Company (ASX stock code: GRB), an Australian brewery
- Game Rating Board, former name of the South Korean game rating organization
- GRB Studios, an American television production company
Science and technology
edit- Gamma-ray burst, an astronomical event
- Granzyme B (GrB), serine protease most commonly found in the granules of NK cells and cytotoxic T cells
.grb
, the file extension of GRIB files
Transportation
edit- Great Bentley railway station (station code), in Essex, England
- Green Bay–Austin Straubel International Airport (IATA and FAA LID: GRB), in Wisconsin, US
Other uses
edit- George R. Brown Convention Center, in Houston, Texas, US
- Grebo language (ISO 639-2 and ISO 639-3: grb), spoken in Liberia and Ivory Coast