| Acronym | Definition |
|---|
| NCL | Norwegian Cruise Line |
| NCL | Newcastle Airport (UK) |
| NCL | New Caledonia (ISO Country code) |
| NCL | Null Convention Logic (digital circuit design) |
| NCL | Non-Conforming Loan (finance) |
| NCL | National Consumers League (Washington, DC) |
| NCL | Network Control Layer |
| NCL | National Centre for Labour (India) |
| NCL | National Charity League |
| NCL | Neuronal Ceroid Lipofuscinosis (adult type) |
| NCL | National Civic League |
| NCL | New Canadian Library (McClelland) |
| NCL | Neighbor Cell List (telecommunications) |
| NCL | North Coast Limited (train) |
| NCL | Nanotechnology Characterization Laboratory |
| NCL | Nintendo Co. Ltd. |
| NCL | New Company Law |
| NCL | NCAR Command Language |
| NCL | Northern City Limits |
| NCL | National Centre for Languages (aka CILT; UK) |
| NCL | National Cricket League (UK) |
| NCL | National Chemical Laboratory, India (Pune, India) |
| NCL | Normally Closed Latching |
| NCL | National Commission on Libraries |
| NCL | National Coalfields Ltd (India) |
| NCL | No Climb (established) |
| NCL | Net Credit Loss |
| NCL | Non-Vomputing module Load |
| NCL | Norwegian Cyberathlete League |
| NCL | Newcastle, England, United Kingdom - International (Airport Code) |
| NCL | National Chess League (1976-1983?) |
| NCL | National Core Library (South Africa) |
| NCL | National Curriculum Level (UK education) |
| NCL | Network Centric Logistics |
| NCL | Night Carrier Landing |
| NCL | New Church Leadership |