OCB may refer to: Arts, entertainment, and media O.c.b. (album), a 2009 album by O.S.T.R. "O.C.B.", a song by Joey Badass from his 2015 album B4.Da.$$ OCB, a song by Billy Ze Kick et les Gamins en Folie on their 1993 self-titled album OCB, a song by Malaa OCB, abbreviation of The Oxford Companion to Beer Orange Catholic Bible, a fictional book from the Dune universe created by Frank Herbert Brands and enterprises Odet-Cascadec-Bolloré, a brand of cigarette rolling papers manufactured by Republic Tobacco Old Country Buffet, American restaurant chain Orient Commercial Joint Stock Bank (OCB), a large bank located in Vietnam Sports Óquei Clube de Barcelos, a rink hockey team from Barcelos, Portugal Orlando City B, a soccer team in Florida, United States Other uses OCB mode, a mode of operation for cryptographic block ciphers Oil circuit breaker, a form of circuit breaker using oil as an insulating medium Oligoclonal bands, bands of immunoglobulins that are seen in a patients serum or CSF Operations Coordinating Board (1953–1961), a committee of the United States Executive Ordinary course of business, a term in law covering the usual transactions, customs and practices of a certain business and of a certain firm Organizational citizenship behavior, a special type of work behavior