B12
B12 , B 12 or B-12 stands for:
- B12 (band) , a band and record label from Great Britain
- Vitamin B 12 , see Cobalamine
- Akaflieg Berlin B12 , glider
- Bundesstrasse 12 in Germany
- State road B 12 in Austria, see Brunner Strasse
- Alpina B12 , a vehicle model from the car manufacturer Alpina
- Citroën type B12
- Sunny B12, a vehicle model series from the car manufacturer Nissan, see Nissan Sunny
- Martin B-12 , American interwar bomber