XXB
XXB stands for:
- "Refugee, as per the 1951 Convention Relating to the Status of Refugees", nationality information in positions 11-13 of the second row of Machine Readable Travel Documents
- Astazou XXB, engine of the Eurocopter Dauphin SA 361 HCL helicopter
- Manchester Woodford Airport (IATA code), Manchester
- "Brownland" (NATO code), maneuver code, see list of NATO country codes
XX B stands for:
- Stalag XX B in Marienburg, see list of Wehrmacht POW camps #Wehrkreis XX