| BCA | British Crystallographic Association | 英国晶体学协会 |
| BCA | Banking Community Attila | 阿提拉银行社区 |
| BCA | Banking Community Assets | 银行业社区资产 |
| BCA | Bank Credit Analyst | 银行信贷分析师 |
| BCA | Bank Central Asia | 中亚银行 |
| BCA | British Coffee Association | 英国咖啡协会 |
| BCA | Broadcast Credit Association | 广播信用协会 |
| BCA | British Colostomy Association | 英国结肠造口术协会 |
| BCA | Buckman Community Association | 巴克曼社区协会 |
| BCA | blue cross association | 蓝十字协会 |
| BCA | Black Coaches Association | 黑人教练协会 |
| BCA | British Cement Association | 英国水泥协会 |
| BCA | Belgian Cockpit Association | 比利时驾驶舱协会 |
| BCA | Bombay Cricket Association | 孟买板球协会 |
| BCA | Book Club Association (UK) | 图书俱乐部协会（英国） |
| BCA | Business Centre Association (UK Serviced Office Trade Association) | 商务中心协会（英国服务式办公室贸易协会） |
| BCA | British Caving Association | 英国洞穴协会 |
| BCA | Building Conservation Associates, Inc | 建筑保护协会 |
| BCA | British Combat Association | 英国作战协会 |
| BCA | Building Commissioning Association | 建筑调试协会 |
| BCA | Building Contractors Association | 建筑承包商协会 |
| BCA | Bangladesh Computer Association | 孟加拉国计算机协会 |
| BCA | British Consumers Association | 英国消费者协会 |
| BCA | Border Crossing Authority | 边境管理局 |
| BCA | Bridge Certification Authority | 桥梁认证机构 |
| BCA | Buoyant Cable Antenna | 浮力海底电报天线 |
| BCA | Battery Control Area | 电池控制区 |
| BCA | Board of Contract Appeals | 合同上诉委员会 |
| BCA | Base Closure, Army | 基地关闭，陆军 |
| BCA | Brooklyn College Academy (Brooklyn, NY) | 布鲁克林学院（纽约州布鲁克林） |
| BCA | Bird Clubs of America | 美国鸟类俱乐部 |
| BCA | Brain, Cognition, and Action | 大脑、认知和行动 |
| BCA | Base Closure Account | 基本关闭帐户 |
| BCA | Bilateral Compliance Agreement | 双边合规协议 |
| BCA | Bacon Cheddar and Avocado (omelet served at the North Boulder Cafe, Boulder, CO, USA) | 培根切达和鳄梨（在北博尔德咖啡馆，科罗拉多州博尔德，美国） |
| BCA | Bachelor of Creative Arts (degree) | 创意艺术学士（学位） |
| BCA | Bureau of Canadian Archivists | 加拿大档案管理局 |
| BCA | Body Composition Assessment | 身体成分评估 |
| BCA | Berkeley Citizens Action | 伯克利公民行动 |
| BCA | blood color analyzer | 血液颜色分析仪 |
| BCA | basal cell adenoma | 基底细胞腺瘤 |
| BCA | bovine carbonic anhydrase | 牛碳酸酐酶 |
| BCA | breast cancer antigen | 乳腺癌抗原 |
| BCA | background-corrected absorbance | 背景校正吸光度 |
| BCA | Board Certified in Annuities | 年金认证委员会 |
| BCA | Breast Carcinoma | 乳腺癌 |
| BCA | Battery Charged Assembly | 电池充电组件 |
| BCA | Brethren Colleges Abroad | 国外兄弟学院 |
| BCA | Bad Car Auction | 不良汽车拍卖 |
| BCA | Berkshire College of Agriculture (UK) | 伯克希尔农业学院（英国） |
| BCA | Breed Class Average | 品种等级平均值 |
| BCA | Beaver Cleavers Anonymous | Beaver Cleavers匿名 |
| BCA | butyl-2-cyanoacrylate | 2-氰基丙烯酸丁酯 |
| BCA | Bachelor Of Criminal Activities | 犯罪活动学士 |
| BCA | Bridgeport Catholic Academy | 布里奇波特天主教学院 |
| BCA | Bias Correction And Acceleration | 偏置校正和加速 |
| BCA | Boeing Commercial Airplanes | 波音商用飞机 |
| BCA | Building Code of Australia | 澳大利亚建筑规范 |
| BCA | British Central Africa | 英属中非 |
| BCA | Bureau of Criminal Apprehension | 刑事拘留局 |
| BCA | Bergen County Academies | 卑尔根县学院 |
| BCA | Billiard Congress of America | 美国台球大会 |
| BCA | Bachelor of Commerce and Administration | 工商管理学士 |
| BCA | Business Case Analysis | 商业案例分析 |
| BCA | Bachelor of Computer Applications | 计算机应用学士 |
| BCA | Boston Center for the Arts | 波士顿艺术中心 |
| BCA | Body Composition Analyzer | 身体成分分析仪 |
| BCA | Black Cherry Aphid | 黑樱桃蚜 |
| BCA | Business Credit Application | 商业信贷申请 |
| BCA | Brethren Colleges Abroad (foreign exchange program) | 国外兄弟学院（外国交流项目） |
| BCA | Bearer Control Access | 承载控制访问 |
| BCA | Boys' Clubs of America | 美国的男孩的俱乐部 |
| BCA | Broadcast Control Authority | 广播管制机关 |
| BCA | Bulk Choice Advantage (DirecTV) | 批量选择优势（DirecTV） |
| BCA | Benefit/Cost Analysis | 利益/成本分析 |
| BCA | Battle Command Architecture | 作战指挥体系结构 |
| BCA | Booking Confirmation Agreement | 预订确认协议 |
| BCA | Bayshore Cultural Arts | 湾岸文化艺术 |
| BCA | Baby Care Adults | 婴儿护理成人 |
| BCA | Bearer Control Agent | 承载控制代理 |
| BCA | Bare Critical Assembly | 裸机关键程序集 |
| BCA | Building and Construction Authority (Singapore) | 建筑和建设管理局（新加坡） |
| BCA | Bolt Carrier Assembly | 螺栓托架组件 |
| BCA | Bicinchoninic Acid Assay | 双辛胆酸含量测定 |
| BCA | CorpBanca SA (stock symbol; Santiago, Chile) | CorpBanca SA（股票符号；智利圣地亚哥） |
| BCA | Bureau Canadien des Archivistes (French) | 加拿大档案局（法语） |
| BCA | Bureau of Consular Affairs | 领事事务局 |
| BCA | Business Corporation Act | 商业公司法 |
| BCA | Banknote Corporation of America | 美国钞票公司 |
| BCA | Black Coalition on AIDS, Inc. | 艾滋病黑人联盟。 |
| BCA | Business Computer Applications, Inc (Atlanta, Georgia) | 商业计算机应用公司（佐治亚州亚特兰大） |
| BCA | Breast Cancer Action | 乳腺癌行动 |
| BCA | British Car Auctions | 英国汽车拍卖公司 |
| BCA | Business Contracts Architecture | 业务合同体系结构 |
| BCA | Basic Credit Approval (UK) | 基本信贷批准（英国） |
| BCA | Buehler Center on Aging | 布勒老龄中心 |
| BCA | Biological Control Act of 1986 (Australia) | 1986年《生物控制法》（澳大利亚） |
| BCA | Base Communications-Computer Systems Assessment | 基地通信计算机系统评估 |
| BCA | Biodiversity Conservation Alliance | 生物多样性保护联盟 |
| BCA | Burst Cutting Area | 爆裂切割区 |