B11

B11, B- 11 or B 11 is the abbreviation for:

• Federal highway 11 in Germany
• Mödlinger road B11 in Austria
• Leitha Cycle Route B11 in Austria
• Douglas YB -11, American experimental aircraft
• HMS B11, British submarine
• Vitamin B11, folic acid uncommon term for
• A grade of officials in Germany, see Senior Services
• Chess a defense variation of the Caro-Kann (ECO code)

• Disambiguation
• Abbreviation