IONS
| Acronym | Definition |
|---|---|
| IONS | Institute of Noetic Sciences |
| IONS | INTEX (Intercontinental Chemical Transport Experiment) Ozonesonde Network Study |
| IONS | Indian Ocean Naval Symposium (multi-national conference) |
| IONS | Isolated Old Neutron Stars (astronomy) |
| IONS | Institute of Oceanography, Nova Scotia |
| IONS | Information Operations, Networks & Space (US Army) |