JRB explained
JRB may refer to:
- Joseph Robinette Biden Jr. 46th and current president of the United States (2021–present)
- Joseph Robinette Biden Sr., father of Joe Biden
- Joseph Robinette "Beau" Biden III, eldest son of Joe Biden
- Downtown Manhattan Heliport (IATA code: JRB), Lower Manhattan, New York City, New York, U.S.
- 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