B type or Type B may refer to:
Astronomy B-type asteroid, a type of relatively uncommon type of carbonaceous asteroid B-type giant, a type of blue giant star B-type star, a type of star
Biology B type blood, a type in the ABO blood group system B type inclusion, a type of inclusions in cells infected with poxvirus B-type natriuretic peptide, a type of brain natriuretic peptides B type proanthocyanidin, a specific type of flavanoids Type B evaluation of uncertainty, an uncertainty in measurement inferred from scientific judgement or other information concerning the possible values of the quantity Type B personality, a type in the Type A and Type B personality theory
Others B-type warbird, a type of Romulan starship Type B videotape, an open-reel videotape format Type B plug (see also NEMA connector) Curtiss-built B-type, a type of B class blimp LGOC B-type, a model of double-decker bus that was introduced in London on 1910 Mann Egerton Type B, a 1910s British maritime patrol aircraft Toyota Type B engine, an internal combustion engine Vauxhall B-Type, a large car from 1911 to 1914 Type B ship, a U.S. designation for World War II barges B type Adelaide tram
See also B class (disambiguation) Class B (disambiguation)