BOC is the abbreviation of:
- Battle of Chancellorsville, during the American Civil War
- Biology of the Cell, an academic journal in biology
- Blackbird Owners Club, Motorclub for people who own a Honda CBR1100XX Super Blackbird and/or Honda X-11
- Bloque Obrero y Campesino, (Spanish: "Workers and Peasants' Bloc"), a former leftwing group in Spain, associated with the international Right Opposition, extant from 1931 to 1935
- BOC (gene), human gene
- BOC Challenge, now renamed the Velux 5 Oceans Race, a round-the-world single-handed sailing yacht race named after its then main sponsor BOC
- Body of Christ, a term in Christian theology with two separate connotations
- Bottom of container, a parachute deployment system.
- British Overseas citizen, one kind of British nationality
- tert-Butoxycarbonyl, abbreviated as "Boc", "BOC" or "t-Boc", a protecting group used in organic chemistry
Banks:
Companies:
- Bell Operating Company, any one of the 24 local telephone companies that AT&T either owned or had a stake in prior to January 1, 1984
- Board of Certification, Inc., a corporation that issues certifications for entry-level Athletic Trainers
- BOC (company), British based industrial gas company, known as Brin's Oxygen Company prior to 1906, and the British Oxygen Company prior to 1975
Film:
Music:
Names:
Organizations:
- Baystate Organic Certifiers, which is an organic-certifying agent owned by Massachusetts Independent Certification, Inc. (MICI) and accredited by National Organic Program (NOP)
- Bird Observation & Conservation Australia, an Australian birding association
- British Ornithologists' Club, aims to promote discussion between members and others interested in ornithology, and to facilitate the dissemination of scientific information concerned with ornithology
- British Orthodox Church, an autonomous Oriental Orthodox Church under the Coptic Orthodox Patriarchate of Alexandria
- Bulgarian Olympic Committee, the National Olympic Committee of Bulgaria, part of the International Olympic Committee
- Bulgarian Orthodox Church, an autocephalous Eastern Orthodox Church with adherents in the Republic of Bulgaria and worldwide
- Bureau of Customs, a Philippine government agency under the Department of Finance
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Technology:
Television: