GNC
- GNC hypothesis
- Gandhinagar Capital railway station
- Gender nonconformity
- General National Congress
- General Nutrition Centers
- Gibraltar Nynex Communications
- Global Night Commute
- Good Neighbour Council
- Green National Committee
- Green National Convention
- Greencore
- Guagua National Colleges
- Guanche language
- Guidance, navigation, and control
- Guru Nanak College (disambiguation)
- Générations NC
- List of cocaine analogues
- SASM/GNC romanization