| Acronym | Definition |
|---|
| CGNC➣Chicken Gene Nomenclature Committee |
| CGNC➣Code Général de Normalisation Comptable (French: General Accounting Standards Code) |
| CGNC➣Conifer Green Needle Complex |
| CGNC➣Corporate Governance and Nominating Committee |
| CGNC➣Cercle Généalogique de Nouvelle Calédonie (French: New Caledonia Genealogy Circle; New Caledonia) |
| CGNC➣Connector Group Network Controller (Hekimian) |
| CGNC➣Guidance, Navigation and Flight Control (Control Center position for US Space Shuttle Launch) |