| Acronym | Definition |
|---|
| ANSO➣Associazione Nazionale Stampa Online (Italian: National Online Printing Association; Ancona, Italy) |
| ANSO➣Afghanistan NGO Security Office (Kabul, Afghanistan) |
| ANSO➣Association of Naval Services Officers |
| ANSO➣Association of Nordic LGBT Student Organizations |
| ANSO➣Aussie-Net Solutions Online (Melbourne, Australia) |
| ANSO➣Air Navigation Services Organization |