| Acronym | Meaning |
| CCRO | Cambridgeshire County Record Office (Cambridge, England, UK) |
| CCRO | Certificate of Customary Right of Occupancy (Tanzania) |
| CCRO | Cheshire County Record Office (UK) |
| CCRO | Community Charge Registration Officer (UK) |
| CCRO | County of San Diego Code of Regulatory Ordinances |