| CIRA | Central Intelligence Retiree Association | 中央情报退休人员协会 |
| CIRA | Canadian Industrial Relations Association | 加拿大工业关系协会 |
| CIRA | Canadian Intramural Recreation Association | 加拿大校内娱乐协会 |
| CIRA | Common Interest Realty Association | 共同利益房地产协会 |
| CIRA | Canadian Internet Registration Authority (domain registry authority) | 加拿大互联网注册机构（域名注册机构） |
| CIRA | Continuity Irish Republican Army | 爱尔兰共和军 |
| CIRA | Cooperative Institute for Research in the Atmosphere | 大气研究合作研究所 |
| CIRA | Center for Industrial Research Applications | 工业研究应用中心 |
| CIRA | Center for Interdisciplinary Research on AIDS (Yale University School of Public Health) | 艾滋病跨学科研究中心（耶鲁大学公共卫生学院） |
| CIRA | Centres InterministÉriels de Renseignements Administratifs (French: Interdepartmental Centers of Administrative Inf | Interministeriels德Renseignements Administratifs中心(法国:部门的行政中心的信息) |
| CIRA | Council of Independent Restaurants of America | 美国独立餐厅理事会 |
| CIRA | Customer Identification and Risk Assessment | 客户识别和风险评估 |
| CIRA | Comprehensive Immigration Reform Act of 2006 (US) | 2006年综合移民改革法案（美国） |
| CIRA | Centre International de Recherches sur l'Anarchisme (Lausanne, Switzerland) | Recherches资讯中心的国际德在瑞士洛桑(l 'Anarchisme) |
| CIRA | COSPAR International Reference Atmosphere | COSPAR国际参考大气 |
| CIRA | Community Informatics Research And Applications | 社区信息学研究与应用 |
| CIRA | Certified Insolvency and Restructuring Advisor | 注册破产和重组顾问 |
| CIRA | Central Illinois Regional Airport | 伊利诺伊州中部地区机场 |
| CIRA | Canadian Internet Registration Authority | 加拿大互联网注册管理局 |
| CIRA | Centro Italiano Ricerche Aerospaziali | 意大利航空中心 |
| CIRA | chromatographic infrared analyzer | 色谱红外分析仪 |
| CIRA | Computational Intelligence in Robotics and Automation (IEEE workshop) | 机器人与自动化中的计算智能（IEEE研讨会） |
| CIRA | Center for Iranian Research and Analysis | 伊朗研究与分析中心 |
| CIRA | Cairo Investment and Real Estate Development (stock symbol) | 开罗投资和房地产开发（股票符号） |