The B46 bus route constitutes a public transit corridor in Brooklyn, New York City, United States.
The B46 nuclear bomb (or Mk-46) was an American high-yield thermonuclear bomb which was designed and tested in the late 1950s.
The Bundesstraße 46 was a former German federal highway.
The Convair XB-46 was a single example of an experimental medium jet bomber which was developed in the mid-1940s but which never saw production or active duty.
The Encyclopedia of Chess Openings is a classification system for the opening moves in chess.
HLA-B46 (B46) is an HLA-B serotype.