B49
# B49

B49 or B-49 may refer to:

* Bundesstraße 49, a German road
* B49 (New York City bus) in Brooklyn in the United States
* HLA-B49, an HLA-B serotype
* A postcode area in Alcester, Warwickshire, England
* Northrop YB-49, an American aircraft
* B-49 (submarine), a Soviet Foxtrot class diesel-electric hunter-killer submarine
* Persiaran Mokhtar Dahari, in Selangor, Malaysia
