| CRS | Centre for Rajasthani Studies | In English | → Language, linguistics, literature → Geography, biography, history |
| CRS | Cold-Rolled Steel | In English | → Metallurgy |
| CRS | Computer Resources Support | In English | → Computer science |
| CRS | Congressional Research Service | In English | → Parliaments, representation |
| CRS | Crew Rescue System | In English | |
| CRS | Centro de Referencia de Salud | In Spanish | → Medicine |
| CRS | Compagnie Républicaine de Sécurité | In French | → Police |
| CRS | Controlled Release Society (www.controlledrelease.org) | In English | → Organizations and associations → Pharmacology, toxicology |
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