FRB may refer to: Fast radio burst in radio astronomy Fractional-reserve banking Fairbourne railway station, in Wales, station code Federal Reserve Board of Governors, in the United States Federal Reserve Bank Forbes Airport, New South Wales, Australia, IATA code Team Frøy–Bianchi, a Norwegian cycling team, code FKBP12-Rapamycin Binding domain; see Mechanistic target of rapamycin