CIRU
| Acronym | Definition |
|---|---|
| CIRU | Comprehensive Inpatient Rehabilitation Unit (Children's Healthcare of Atlanta; Georgia) |
| CIRU | Confucius Institute at Rhodes University (est. 2008; South Africa) |
| CIRU | Confucius Institute at Rutgers University (est. 2007; New Jersey) |
| CIRU | Canadian Infantry Reinforcement Unit (Canadian military) |
| CIRU | Cotton Insects Research Unit (USDA; Brownsville, TX) |