B8
# B8

B8, B VIII or B-8 may refer to:

## Transport

### Roads

* B8 (Croatia), an expressway part of the Istrian Y highway network
* B8 road (Cyprus)
* B8 road (Kenya)
* B8 road (Namibia)
* Bundesstraße 8, a road in Germany

### Other uses in transport

* B8 (New York City bus) serving Brooklyn
* Bavarian B VIII, a German steam locomotive model
* Bensen B-8, a 1955 United States small single-seat autogyro
* HMS B8, a B-class submarine of the Royal Navy
* Mazda B8, a piston engine
* Fokker XB-8, a bomber prototype built for the United States Army Air Corps
* B8, the IATA code for Eritrean Airlines
* LNER Class B8, a class of British steam locomotives

## Biology

* Proanthocyanidin B8, a B type proanthocyanidin
* Vitamin $B_8,$ a name sometimes used for inositol
* HLA-B8, an HLA-B serotype

## Other

* B8 (bronze), an alloy used in cymbals
* b8 (spam filter), a statistical spam filter implemented in PHP
* Boron-8 (B-8 or $^8B),$ an isotope of boron
* B8, a type of stereoautograph
* A subclass of B-class stars
* An international standard paper size (62×88 mm), defined in ISO 216
* The musical note 7 keys above a standard Grand Piano
* The postcode for Saltley, England
* B8, the category for warehousing under the United Kingdom planning regulations
* B-VIII reactor, an unsuccessful experiment that was part of the German nuclear weapons program
