What is "mrb"

MRB could refer to:

• Eastern WV Regional Airport, Martinsburg, West Virginia, United States; IATA airport code
• Maidenhead Railway Bridge
• Malaysian Rubber Board
• Manorbier railway station, Wales; National Rail station code MRB
• Maribo railway station, Denmark (code Mrb)
• Mariënberg railway station, Mariënberg, the Netherlands (code Mrb)
• Martinsburg (Amtrak station), West Virginia, United States; Amtrak station code MRB
• Metallica Resources; New York Stock Exchange symbol MRB
• Michael Reilly Burke
• Mobile Riverine Base, see Mobile Riverine Force
• Mortgage revenue bond loan
• MrBookmaker.com cycling team, see Cycle Collstrop
• MRB constant
• MRB Productions
• Murrumbeena railway station, Melbourne, Australia; station code MRB
• Mullamangalath Raman Bhattathiripad, Malayali social reformer and writer
• Model Reference Behaviors, library science concept
• Mother Russia Bleeds, a 2016 video game