B9
B9 , B-9 or B 9 stands for:
- an NBMI
- Salary group for civil servants and soldiers in Germany, see salary order B #Besoldungsgruppe B 9
- Bundesstrasse 9 , federal highway in Germany
- a former federal highway in Austria, see Preßburger Strasse
- B9 (Kenya) , trunk road in Kenya
- B9 (Cyprus) , main road in Cyprus
- Boeing Y1B-9 , American experimental aircraft
- Akaflieg Berlin B9 , twin-engine test aircraft
- standardized paper format (DIN 476 / ISO 216)
- Vitamin B9 ( folic acid )
- Side table set by Marcel Breuer, produced by Thonet, designed around 1925/26
