| CRIR | Caitlin Raymond International Registry 
| Others |
| CRIR | Centre de recherche
| Others |
| CRIR | Certified Residential Investor Representative
| Others |
| CRIR | Christiania Researcher in Residence
| Others |
| CRIR | Clinical Research Institute at Rambam
| Others |
| CRIR | Committee for Regulating Information Requirements
| Others |
| CRIR | Committee for Revolutionary International Regroupment
| Others |
| CRIR | Council on Research and Instructional Resources
| Others |