| Acronym | Definition |
|---|
| Circ➣Circulation |
| Circ➣Circle |
| Circ➣Circumference |
| Circ➣Circular |
| Circ➣Circuit |
| Circ➣Circumcision |
| Circ➣Circumstance |
| Circ➣China Insurance Regulatory Commission |
| Circ➣Cross Interleave Reed Solomon Code |
| Circ➣Computer Incident Response Center |
| Circ➣Centre International de Recherche sur le Cancer (French: International Agency for Cancer Research) |
| Circ➣Civitan International Research Center (University of Alabama at Birmingham) |
| Circ➣Código do Imposto Sobre o Rendimento das Pessoas Colectivas (Portuguese income tax code) |
| Circ➣Climate Impacts Research Centre |
| Circ➣Circular Reference |
| Circ➣Community Information Resource Center |
| Circ➣Cooperative Integrated Reading and Composition |
| Circ➣Cross Interleave Reed-Solomon Code (used on CDs) |
| Circ➣Computer Incident Response Capability |
| Circ➣Collectif d'Information et de Recherche Cannabique |
| Circ➣Cornell Institute for Research on Children |
| Circ➣Central Illinois Robotics Club |
| Circ➣Community Informatics Resource Center |
| Circ➣Chemical Incident Reports Center |
| Circ➣Curtin Indigenous Research Centre |
| Circ➣Circumcision Information Resource Centre (Montreal, Canada) |
| Circ➣Corporate & Industrial Restructuring Corporation (Pakistan) |
| Circ➣Community Information and Referral Centre |
| Circ➣Computer Integrated Road Construction |
| Circ➣Canada's Information Resource Centre |
| Circ➣Central India Regional Council |
| Circ➣Central Information Reference and Control |
| Circ➣Conflict of Interest in Research Committee |
| Circ➣Commercial-Industrial Realty Council |
| Circ➣Childcare Information Reference Collection |
| Circ➣Career Information Resource Centre |
| Circ➣Cultural Industries Research Centre |
| Circ➣Circularization Burn (NASA) |
| Circ➣Central de Información de Riesgo Crediticio (Spanish: Central Credit Risk Information; Bolivia) |
| Circ➣Cytokeratin-Positive Interstitial Reticulum Cell |
| Circ➣Computer Information and Resource Center (now defunct GWU division) |
| Circ➣Central Incident Response Center |
| Circ➣Centralized Information Reference and Control |
| Circ➣Colorado Immigration Rights Coalition |