| Acronym | Definition |
|---|
| CRN➣Crown |
| CRN➣Crane |
| CRN➣Cornish (SIL code, UK) |
| CRN➣Clinical Research Network (UK) |
| CRN➣Chromium Nitride |
| CRN➣Council for Responsible Nutrition |
| CRN➣Cognitive Radio Network (wireless communication system) |
| CRN➣Creston (Amtrak station code; Creston, IA) |
| CRN➣Computer Reseller News |
| CRN➣Certified Registered Nurse |
| CRN➣Customer Reference Number |
| CRN➣Collaborative Research Network (IAI) |
| CRN➣Canadian Registration Number |
| CRN➣Cooperative Research Network |
| CRN➣Climate Reference Network |
| CRN➣Course Registration Number (college) |
| CRN➣Compare with Random Number |
| CRN➣Chinese Restaurant News |
| CRN➣Career Resource Network |
| CRN➣Center for Responsible Nanotechnology |
| CRN➣Clinical Resource Nurse |
| CRN➣Cable Radio Network |
| CRN➣Course Reference Number |
| CRN➣Community Recycling Network |
| CRN➣Conflict Resolution Network |
| CRN➣Children's Restoration Network |
| CRN➣Cornell Companies, Inc (stock symbol) |
| CRN➣Controlled Release Nitrogen |
| CRN➣Common Random Number |
| CRN➣Cartoonists Rights Network |
| CRN➣College Radio Network |
| CRN➣Chicago Rehab Network |
| CRN➣Community Rehabilitation Network |
| CRN➣Cellular Radio Network |
| CRN➣Countryside Recreation Network |
| CRN➣Commission Régionale de la Naissance (French: Regional Birth Commission; pregnancy forum) |
| CRN➣Centres de Ressources Numériques (French: Digital Resource Center) |
| CRN➣Council on Renal Nutrition |
| CRN➣Community Response Network (various locations) |
| CRN➣Congress Rental Network |
| CRN➣Credit Reference Number (US IRS) |
| CRN➣Christmas Rock Night |
| CRN➣Connecticut Radio Network |
| CRN➣Cristo Rey Network (Chicago, IL) |
| CRN➣Case Report Number |
| CRN➣Consumer Resource Network |
| CRN➣Cosmic Radio Noise |
| CRN➣Court Reporting Network |
| CRN➣Customer Restoration Network (insurance) |
| CRN➣Current Return Network |
| CRN➣Change Request Notice |
| CRN➣Correctional Registered Nurse |
| CRN➣Closed Restricted Network (cyber security) |
| CRN➣Caisse de Retraite des Notaires |
| CRN➣Cumann Rince Naisiunta |
| CRN➣Custom Register Number (shipping) |
| CRN➣Centre for Research in Neuroscience |
| CRN➣Coding and Reimbursement Network |
| CRN➣Club Renault Norvege |
| CRN➣City Radio Network |
| CRN➣Crime Reduction News |
| CRN➣Charities Resource Network |
| CRN➣Certified Radiology Nurse |
| CRN➣Community Recovery Network |
| CRN➣Children's Residential Network |
| CRN➣Computer Random Numbering |
| CRN➣Contact Reference Number |
| CRN➣Computer Research News |
| CRN➣Contract Revision Number |
| CRN➣Chicagoland Radiological Network |
| CRN➣Comparative Research Networks |
| CRN➣Cable Routing Rotation (NASA) |
| CRN➣Combat Radio Net |
| CRN➣Customer Relations Network (various companies) |
| CRN➣Can't Remember Nuttin |
| CRN➣Custom Rehab Network |
| CRN➣Critical Ranking Number |
| CRN➣Canary Islands Radio Networks |
| CRN➣Carbon Reinforced Nylon |
| CRN➣Contingency Radio Net |
| CRN➣Central Riddle Network (website) |
| CRN➣Committed Rate Network |
| CRN➣Creative Research Network |
| CRN➣Carolina and North Western Railway Company |