GNO
| 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 |