B73 or B-73 may refer to:
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Bundesstraße 73
The Bundesstraße 73 or B73 is a German federal highway running in a northwesterly to southeasterly direction from Cuxhaven to Hamburg
Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by ...
, a German road
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Sicilian Defense, Dragon Variation, according to the Encyclopaedia of Chess Openings
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Sutton Coldfield
Sutton Coldfield or the Royal Town of Sutton Coldfield ( ), is a town and civil parish in the city of Birmingham, West Midlands County, West Midlands, England. The town lies around 8 miles northeast of Birmingham city centre, 9 miles south of L ...
, according to the list of postal districts in the United Kingdom
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HLA-B73, an HLA-B serotype
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B73 (maize), a long-established maize genome
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