| Acronym | Definition |
|---|
| CNG➣Compressed Natural Gas |
| CNG➣Calling (Tone) |
| CNG➣Corning (Amtrak station code; Corning, CA) |
| CNG➣Comfort Noise Generation |
| CNG➣Club Nautique de Giffaumont (French nautical club) |
| CNG➣Calling Tone |
| CNG➣Colegio Nueva Granada (Colombian college) |
| CNG➣Conseil National de Gouvernement (French: National Council of Government; Haiti) |
| CNG➣Cascade Natural Gas (Washington & Oregon) |
| CNG➣Centre National de Génotypage (French: National Genotyping Resource Center) |
| CNG➣Cryptography Next Generation (Microsoft Windows Vista) |
| CNG➣California National Guard |
| CNG➣Comisión Nacional de Garantías (Spanish: National Commission on Guarantees; Mexico) |
| CNG➣Corporate Networks Group (NEC America) |
| CNG➣Community Networking Group (various organizations) |
| CNG➣Clube Nacional de Ginástica (Portuguese: National Gym Club) |
| CNG➣Covering New Ground (Canada) |
| CNG➣Comité National de la Gastronomie (French: National Committee of Gastronomy) |
| CNG➣Cinéma Nouvelle Génération (French: New Generation Cinema; festival) |
| CNG➣Chantier Naval du Golfe (French: Shipyard of the Gulf) |
| CNG➣Campus Network Group (various organizations) |
| CNG➣Carrier to Noise Generator (test instrument) |
| CNG➣Connecticut Natural Gas Company |
| CNG➣Coordination and Negotiation Group (telecommunications) |
| CNG➣Coalition of Northeastern Governors |