| CIR | Centre Interdisciplinare de Recherche Comparative en Sciences Sociales = ICCR | Interdisciplinary Centre for Comparative Research in the Social Sciences | In English |
In French | → Social sciences |
| CIR | Cargo Integration Review | In English | |
| CIR | Configuration Inspection Report | In English | |
| CIR | Critical Item Report | In English | |
| CIR | Crédit d'Impôt Recherche | In French | → Research policy → Taxes, duties |
| CIR | Centre Interdisciplinaire de Recherche comparative en sciences sociales | In French | → Social sciences |