| Acronym | Definition |
|---|
| GNO➣Girl's Night Out |
| GNO➣Greater New Orleans |
| GNO➣Gnu Network Object |
| GNO➣Global Network Operations |
| GNO➣Guys Night Out |
| GNO➣Gay Night Out |
| GNO➣Gravity-Neutral Orthosis |
| GNO➣Greek National Opera (est. 1940) |
| GNO➣Gratis Netwerken en Ontspannen (Dutch business networking organization) |
| GNO➣Guide Number (photography, illumination of the flash) |
| GNO➣Geminal Natural Orbital |