| GCA | General Contractors Association | 总承包商协会 |
| GCA | Greeting Card Association | 贺卡协会 |
| GCA | Garment Contractors Association | 服装承包商协会 |
| GCA | Golf Clubmakers Association | 高尔夫俱乐部协会 |
| GCA | Graphics Communications Association | 图形通信协会 |
| GCA | Georgia Canoe Association | 格鲁吉亚独木舟协会 |
| GCA | Georgia Chess Association | 格鲁吉亚国际象棋协会 |
| GCA | Georgia Chiropractic Association | 佐治亚州脊椎按摩协会 |
| GCA | Gunite Contractors Association | Gunite承包商协会 |
| GCA | Graphic Communications Association | 图形通信协会 |
| GCA | Goa Cricket Association | 果阿板球协会 |
| GCA | Generator Coordinate Approximation | 生成器坐标近似 |
| GCA | Geophysical Corporation of America (defunct manufacturing company) | 美国地球物理公司(已解散的制造公司) |
| GCA | Grains Council of Australia | 澳大利亚谷物委员会 |
| GCA | Ground Controlled Approach | 地面控制进近 |
| GCA | Giant Cell Arteritis | 巨细胞动脉炎 |
| GCA | Ground Control Airborne | 地面控制机载 |
| GCA | going concern assumption | 持续经营假设 |
| GCA | Geodesic Cone Array (Lockheed) | 大地锥阵列(洛克希德公司) |
| GCA | Gun Control Act of 1968 | 1968年枪支管制法 |
| GCA | General Combining Ability | 一般配合力 |
| GCA | Global Coalition for Africa | 全球非洲联盟 |
| GCA | Ground Control Apparatus | 地面控制装置 |
| GCA | Grace Christian Academy | 格雷斯基督教学院 |
| GCA | Great Circle Associates | Great Circle Associates公司 |
| GCA | Gross Construction Area | 总建筑面积 |
| GCA | Government Contracting Activity | 政府订约活动 |
| GCA | Gender Changer Academy | 性别变革者学院 |
| GCA | Greil Conveyor Applications, Inc. | 格雷尔输送机应用公司。 |
| GCA | General Communication Area | 通用通信区 |
| GCA | Global Cash Access | 全球现金存取 |
| GCA | Guacamayas, Colombia | 哥伦比亚瓜卡马亚斯 |
| GCA | General Classroom Annex | 一般课堂附件 |
| GCA | gastrin cell antibody | 胃泌素细胞抗体 |
| GCA | gastric cancerous area | 胃癌区 |
| GCA | Geographic Commuting Area | 地理通勤区 |
| GCA | Get Current Axis | 获取当前坐标轴 |
| GCA | granulocytoagglutinin | 粒细胞凝集素 |
| GCA | Ground Control Approach | 地面控制方法 |
| GCA | Gradual Channel Approximation | 渐变通道近似 |
| GCA | Goofiest Cooks of America | 美国美食厨师 |
| GCA | Giand Cell Arteritis | 巨细胞动脉炎 |
| GCA | Graduate Cost Analysis | 毕业生成本分析 |
| GCA | Ground Control Approach (radar landing system) | 地面控制进近(雷达着陆系统) |
| GCA | Guidance Counselor Application (ARISS) | 指导顾问申请(ARISS) |
| GCA | Gas Conditioning Assembly | 气体调节组件 |
| GCA | Guidance and Control Assembly | 导向和控制组件 |
| GCA | General Communications Architecture | 通用通信体系结构 |
| GCA | General Commercial Availability | 一般商业可用性 |
| GCA | Greater-Cincinnati Area | 大辛辛那提地区 |
| GCA | General Communications Architecture (Ingress) | 通用通信架构(Ingress) |
| GCA | GameCube Advanced (website) | GameCube高级(网站) |
| GCA | General Customs Administration (China) | 海关总署(中国) |
| GCA | Government Controlled Area | 政府控制区 |
| GCA | GNOPP Constrained Assets | GNOPP受限资产 |
| GCA | Gaming Control Act | 游戏控制法案 |
| GCA | Global Communications Agency | 全球通信局 |
| GCA | Glasgow Christian Academy (Glasgow, KY) | 格拉斯哥基督教学院(肯塔基州格拉斯哥) |