B12

B12 most often refers to:

• Vitamin B₁₂, a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood

B12 or B-12 may also refer to:

• Alpina B12, a car model by German manufacturer Alpina
• B12 (band), a British electronic music duo
• B12 student model clarinet manufactured by Buffet Crampon
• B12 (New York City bus) serving Brooklyn
• Bensen B-12, a 1961 American unconventional aircraft
• Brandon C. Rodegeb (born 1977), American music executive, film-maker, rap artist, writer known as B12
• Caro-Kann Defence, a common opening in the game of chess
• Chery B12, a 2007 Chinese Chery Automobile model
• Gp120#gp120_vaccines, an antibody against the HIV surface protein gp120 found in some long-term nonprogressors
• LNER Class B12, a class of steam railway locomotive
• Queensland B12 class locomotive, a class of steam railway locomotive
• HLA-B12, an HLA - B serotype

and also :

• Nissan Sunny, a car model by Japanese manufacturer Nissan
• a modified version of the B-10 bomber
• a song by the now-defunct grunge band, Grey Daze