| Acronym | Sense | Language | Topics |
|---|---|---|---|
| CRN | Cable Routing Notation | In English | |
| CRN | Change Review Notice | In English | |
| CRN | Contract Revision Number | In English | → Contract law |
| CRN | Collaborative Research Network | In English | → Organizations and associations → Research policy |
| CRN | Course Reference Number | In English | → Education |
| CRN | Comparative Research Network | In English | → Research policy → Organizations and associations |
| CRN | Conselho Regional de Nutricionistas | In Portuguese | → Organizations and associations → Nutrition |
| CRN | Caisse de Retraite des Notaires | In French | → Labour, labour economics → Law, jurisprudence → Insurance |