| MIRA | Motor Industry Research Institute | 汽车工业研究所（英国） |
| MIRA | Minimally Invasive Robotic Association | 微创机器人协会 |
| MIRA | Market Intelligence Research Associates | 市场情报研究协会 |
| MIRA | Modernizational Internet Rosary Association | 现代化互联网玫瑰协会 |
| MIRA | Motor Industry Research Association | 汽车工业研究协会 |
| MIRA | macrophage insulin releasing activity | 巨噬细胞胰岛素释放活性 |
| MIRA | Members Internet Resource Account | 成员Internet资源帐户 |
| MIRA | Mile Radius | 英里半径 |
| MIRA | Media Image Resource Alliance | 媒体图像资源联盟 |
| MIRA | Monterey Institute for Research in Astronomy | 蒙特雷天文学研究所 |
| MIRA | Movement for Islamic Reform in Arabia | 阿拉伯伊斯兰改革运动 |
| MIRA | Massachusetts Immigrant and Refugee Advocacy Coalition | 马萨诸塞州移民和难民宣传联盟 |
| MIRA | Microcomputer Image Reduction And Analysis | 微机图像还原与分析 |
| MIRA | Munich Re Internet Risk Assessor | 慕尼黑再保险公司互联网风险评估员 |
| MIRA | MicroVAX Integration of Reliable Architecture | 可靠架构的MicroVAX集成 |
| MIRA | Monthly Index of Russian Accessions (Library of Congress) | 俄罗斯无障碍设施月度索引（国会图书馆） |
| MIRA | Medium Wave Infrared Array | 中波红外阵列 |
| MIRA | Monolithic Infrared Array | 单片红外阵列 |
| MIRA | Mental Illness Resources Advocacy | 精神疾病资源倡导 |
| MIRA | Multifunctional Inertial Reference Assembly (USAF) | 多功能惯性基准组件（USAF） |
| MIRA | Minimum Interference Routing Algorithm | 最小干扰路由算法 |