| Acronym | Definition |
|---|
| IOSS➣Infinite Open Source Solutions LLP (India) |
| IOSS➣Interagency OPSEC Support Staff |
| IOSS➣Intergovernmental Open Systems Solutions |
| IOSS➣Institute of Sikh Studies (Chandigarh, India) |
| IOSS➣Intelligence Organization & Stationing Study |
| IOSS➣Infrastructure Operations Support Services |
| IOSS➣Integrated Ocean Surveillance System |
| IOSS➣Integrated Occupant Sensory System (Intelligent Mechatronic Systems Inc.) |
| IOSS➣International Operations Shared Services |