CRN
- Aero Caribbean
- Albert Zafy
- CRN (magazine)
- CRN 91 Naval Gun
- CRN Digital Talk Radio Networks
- CRN International
- CRN S.p.A
- Calvary Radio Network
- Canadian Registration Number
- Canadian university scientific research organizations
- Carolina and Northwestern Railway
- Chemical reaction network
- Chromium nitride
- Cognos ReportNet
- Common Random Numbers
- Community Radio Network (Australia)
- Community Radio Network (New Zealand)
- Community Rail Network
- Concentration ratio
- Congress Rental Network
- Constitution of Niger
- Cora language
- Cornell Companies
- Council for Responsible Nutrition
- Country Regional Network
- Creston (Amtrak station)
- Cross-polytope
- Crowthorne railway station
- Genocide Intervention Network
- Jaca uprising
- List of LGBT-related organizations and conferences
- List of military electronics of the United States
- Nursing credentials and certifications
- US Climate Reference Network