B8

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

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
• HLA-B8, an HLA-B serotype
• 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

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

• B8 (bronze), an alloy used in cymbals
• b8 (spam filter), a statistical spam filter implemented in PHP
• Proanthocyanidin B8, a B type proanthocyanidin
• Vitamin B₈, a name sometimes used for inositol
• 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