| MRCA | Multiple Role Combat Aircraft | 多用途作战飞机 |
| MRCA | Media Resource Control Unit | 媒体资源控制板 |
| MRCA | Malaysian Retailer-Chains Association | 马来西亚零售商连锁协会 |
| MRCA | Manitoba Recreational Canoeing Association, Inc. (Canada) | 马尼托巴休闲独木舟协会（加拿大） |
| MRCA | Military Radio Collectors Association | 军事无线电收藏家协会 |
| MRCA | Midwest Roofing Contractors Association | 中西部屋顶承包商协会 |
| MRCA | Missouri Rodeo Cowboys Association | 密苏里州牛仔竞技协会 |
| MRCA | Market Research Corporation of America | 美国市场研究公司 |
| MRCA | Multi-Role Combat Aircraft | 多用途战斗机 |
| MRCA | Manager of Radiological Consequence Assessment (nuclear) | 辐射后果评估经理（核） |
| MRCA | Mountains Recreation and Conservation Authority (California) | 山区休闲和保护局（加利福尼亚州） |
| MRCA | Most Recent Common Ancestor | 最近的共同祖先 |
| MRCA | Medium Resolution Coverage Area | 中分辨率覆盖区域 |
| MRCA | Multi Role Combat Aircraft | 多功能作战飞机 |
| MRCA | Medical Research Charities of America | 美国医学研究慈善机构 |
| MRCA | Metadata Repository Configuration Assistant | 元数据存储库配置助手 |
| MRCA | Mississippi River Canoe Adventure | 密西西比河独木舟探险 |
| MRCA | Material Review and Corrective Action | 材料审查和纠正措施 |
| MRCA | Motorcycle Riders Club Of America (website) | 美国摩托车骑士俱乐部（网站） |