b1a may refer to:
- Rockwell B-1A Lancer, U.S. USAF bomber aircraft
- GSR Class B1a, a steam locomotive class
- B1A section, a WWII counterespionage unit in the Double-Cross System (XX System)
- B1a cells, a type of B1 cell
- B1A postal code, see List of postal codes of Canada: B
See also
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Topics referred to by the same term
This disambiguation page lists articles associated with the title B1a.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: