BC or B.C. may refer to:

• Before Christ, from the Latin Ante Christum, an epoch based on the traditionally reckoned year of the conception or birth of Jesus Christ.

Places

• British Columbia, Canada's westernmost province
• Baja California, Mexico's northernmost state
• Bala Cynwyd, Pennsylvania, United States
• Basque Country, Land of the Basque people
• Botswana, World Meteorological Organization country code 'BC'
• "Bull City", a nickname for Durham, North Carolina

Educational institutions

• Barnard College, a women's liberal arts college, affiliated with Columbia University, in New York, New York
• Beloit College, a small liberal arts college in Beloit, Wisconsin
• Benedictine College, an institution of higher education in Atchison, Kansas
• Blinn College, a junior college in Brenham, Texas
• Boston College, a university in Chestnut Hill, Massachusetts
• Brethren Christian Junior/Senior High School, a Christian High School in Huntington Beach, California
• Bridgewater College, a college located in Bridgewater, Virginia
• Brooklyn College, a college located in Brooklyn, New York
• Benedictine Military School , formerly Benedictine College, Savannah, Georgia

Government institutions

• Bureau of Corrections (Philippines), an agency of the Department of Justice of the Philippines, charged with the custody and rehabilitation of national offenders

Businesses and organizations

• Blue Cross, a trade association of United States health insurance companies
• Boise Cascade, a manufacturer of paper and pulp products
• Brasseries du Cameroun, a brewery in Cameroon
• British Council, a non-departmental public body and registered charity for cultural relations in the United Kingdom
• Brooklyn Cyclones, a minor league professional baseball club
• Brunswick Corporation, stock symbol for a consumer sporting goods manufacturer traded on the New York Stock Exchange
• Skymark Airlines, IATA airline code 'BC'

Music

• Basso Continuo, an accompaniment used in almost all genres of music in the Baroque period
• BC Recordings, a record label
• Body Count, rapper Ice-T's metal band

Entertainment

• B.C. (comic strip), a syndicated comic strip originated by Johnny Hart
• Barnabas Collins, fictional vampire from the ABC soap opera Dark Shadows
• Border Crossings, a musical radio show that airs on Voice of America
• The Breakfast Club, a teen-oriented dramedy released in the year 1985
• Burning Crusade, an expansion to the online role-playing game World of Warcraft

Math and technology

• Backward compatibility, compatibility of new product with old product
• bc (Unix), "basic calculator" Unix program
• NZR Bc class, a steam locomotive classification used by the New Zealand Railways Department
• Buoyancy compensator, a piece of scuba diving equipment
• Ballistic coefficient, a measure of air drag on a projectile, the ratio of its sectional density to its coefficient of form
• Base curve radius, a parameter of a contact lens
• Boundary condition, a mathematical restraint on partial differential equations

Medicine and science

• Bc, the abbreviation for the orchid genus Brassocattleya
• BC Powder, brand name of pain reliever
• Birth control
• Breast cancer
• Board Certification, as in Advanced Practice Registered Nurse, Board Certified (APRN, BC)

Other

• Basketball Club, in Romanian. For example BC Mures
• Bliss bibliographic classification, a library cataloguing system
• BookCrossing, a website which encourages leaving books in public places to be found by others
• Base Camp in mountaineering

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