| VCA | Voltage Controlled Amplifier | 电压控制放大器 |
| VCA | Value Control Amplifier | 值控制放大器 |
| VCA | Virginia Counselors Association (Forest, Virginia) | 弗吉尼亚州顾问协会（弗吉尼亚州森林） |
| VCA | Value Chain Analysis | 价值链分析 |
| VCA | Veiligheids Checklist Aannemers (Dutch: Safety Certificate for Contractors) | Veiligheids检查表Aannemers（荷兰语：承包商安全证书） |
| VCA | Visual Contact Approach (aviation) | 目视接触进近（航空） |
| VCA | Video Content Analysis | 视频内容分析 |
| VCA | Voluntary Corrective Action | 自愿纠正措施 |
| VCA | Vanadium Corporation of America | 美国钒业公司 |
| VCA | Vancouver Cultural Alliance | 温哥华文化联盟 |
| VCA | Voice Connecting Arrangement | 语音连接安排 |
| VCA | Violent Criminal Actor (law enforcement) | 暴力犯罪行为人（执法） |
| VCA | Verification of Corrective Action | 纠正措施的验证 |
| VCA | Voltage Controlled Attenuator | 电压控制衰减器 |
| VCA | Virtual Channel Access | 虚拟通道访问 |
| VCA | Viral Caspid Antigen | 病毒Caspid抗原 |
| VCA | Vacant Code Announcement | 空缺代码公告 |
| VCA | Vanished Children's Alliance (San Jose, California) | 消失的儿童联盟(加州圣荷西市) |
| VCA | Voice Channel Assignment | 语音通道分配 |
| VCA | Voice Communications Adapter | 语音通信适配器 |
| VCA | Veiligheids Checklist Aannemers (Dutch: safety checklist for contractors) | Veiligheids检查表Aannemers（荷兰语：承包商安全检查表） |
| VCA | Vanished Children's Alliance | 消失的儿童联盟 |
| VCA | Volunteer Camping Assistant | 志愿者露营助理 |
| VCA | VehÍculo De ColchÓn De Aire | VehÍculo De ColchÓn De Aire |
| VCA | Visual Clip Art | 视觉剪贴画 |
| VCA | Variable Console Automation | 可变控制台自动化 |
| VCA | Vision Council of America (Washington, DC, USA) | 美国视觉委员会（美国华盛顿特区） |
| VCA | Vancouver Civic Action | 温哥华公民行动 |
| VCA | Volunteers for Children Act of 1998 (aka the Foley Bill) | 1998年儿童志愿者法案（又名福利法案） |
| VCA | Viral Capsid Antigens | 病毒衣壳抗原 |
| VCA | Viscerally Compressed Amplitude | 内脏压缩振幅 |
| VCA | Video Corporation Of America | 美国视频公司 |
| VCA | Varying Channel Assignment | 变化的频道分配 |
| VCA | Voltage Controlled Amplification | 电压控制放大 |
| VCA | Veteran Corps of Artillery (historical military corps in New York City) | 老兵炮兵队（纽约市的历史军事兵团） |
| VCA | vancomycin,colistin,and anisomycin(inhibitor) | 万古霉素、粘菌素和茴香霉素（抑制剂） |
| VCA | Vehicle Certification Agency (UK) | 车辆认证机构（英国） |
| VCA | viral capsid antigen(s)(virion) | 病毒衣壳抗原 |
| VCA | Victorian College of the Arts (Australia) | 维多利亚艺术学院（澳大利亚） |
| VCA | virus capsid antibody | 病毒衣壳抗体 |
| VCA | Voluntary Cleanup Action | 自愿清理行动 |
| VCA | Video Clamp Amplifier (similar to Vision Distribution Amplifier, but includes clamp circuits to maintain blanking level | 视频箝位放大器（类似于视觉分配放大器，但包括箝位电路以保持消隐电平 |
| VCA | virus capsid antigen(virion) | 病毒衣壳抗原 |
| VCA | Virtual Continental Airlines | 虚拟大陆航空 |
| VCA | Virtual Crystal Approximation | 虚拟晶体近似 |
| VCA | Viet Cong Army | 越共军 |