MRB
MRB is an abbreviation for:
- IATA code of the civil and military airfield Eastern WV Regional Airport or Shepherd Field in Martinsburg (West Virginia ) (United States )
- Human Rights Advisory Board, an independent Austrian organ to control the detention of persons by the executive
- Central German Regiobahn, a brand of Veolia Transport Regio East
- MittelrheinBahn, a brand of trans regio
- Régionaliste Mouvement de Bretagne, a regional organization in Brittany, the "political emancipation " of the region under the EU set itself the goal
- Motor lifeboat
- Disambiguation
- Abbreviation