| Acronym | Definition |
|---|
| CRIR | Centre de Recherche Interdisciplinaire en Readaptation du Montreal Metropolitain (French: Center for for Interdisciplinary Research in Rehabilitation; Montreal, Canada) |
| CRIR | Checkbox/Radio Input Replacement (JavaScript and Cascading Style Sheets) |
| CRIR | Caitlin Raymond International Registry (International Bone Marrow and Cord Blood Donor Search) |
| CRIR | Canadian Rockies International Rodeo (International Gay Rodeo Association) |
| CRIR | Christiania Researcher in Residence (Copenhagen, Denmark) |
| CRIR | Certified Residential Investor Representative (real estate) |