B1
B1, B.I, B.1 or B-1 may refer to:
Biology and chemistry
Bradykinin receptor B1, a human gene
Cinnamtannin B1, a condensed tannin found in cinnamon
Combretastatin B-1, a stilbenoid found in Combretum sp.
Fumonisin B1, a toxins produced by several species of Fusarium molds
B-1 cell, a lymphocyte type
Arecatannin B1, a tannin found in the betel nut
Proanthocyanidin B1, a B type proanthocyanidin
Vitamin B1, also known as thiamine
Media
B1 TV, a Romanian TV network
a class of FM radio broadcasting in North America
Roads
Vehicles
B-1 Lancer, a United States Air Force strategic bomber
B1 (New York City bus) serving Brooklyn
B1 type submarine, a WWII Imperial Japanese Navy submarine class
Alsace-Lorraine B 1, a Alsace-Lorraine P 1 class steam locomotive
Marussia B1, a high-performance luxury sports coupé built by Russian automaker Marussia Motors
GS&WR Class B1, a Great Southern and Western Railway Irish steam locomotive
HMS B1, a B-class submarine of the Royal Navy
LB&SCR B1 class, an 1882 British express passenger steam locomotive
