title: 12B (disambiguation)
text: # 12B (disambiguation)
  
  12B is a 2001 Tamil movie.
  
  12B may also refer to:
  
  * New York State Route 12B, a state highway in the central part of New York
  * Missouri Route 12B
  * Nebraska Spur 12B
  * 12B, a bus route in Chennai
  * WASP-12b, an extrasolar planet
  * HAT-P-12b, an extrasolar planet
  * Boron-12 $(^{12}B),$ an isotope of boron
  * 12B, a short-lived Mazda Wankel engine
  * 12B United States MOS enlisted (military occupational specialty) for "Combat Engineer"
  