JRB may refer to: Downtown Manhattan Heliport (IATA code: JRB), Lower Manhattan, New York City, New York, U.S. ISO 639:jrb or Judeo-Arabic languages, a continuum of specifically Jewish varieties of Arabic James River Bridge, the James River Bridge in Newport News, Virginia Jatiya Rakkhi Bahini, a Bangladeshi para-military force Joseph Robinette Biden Jr., current President of the United States, former U.S. Vice President and former U.S. Senator. Juvenile Review Board, reviews juvenile court cases, Connecticut, U.S.