| Acronym | Definition |
|---|
| IBSS | International Bibliography of the Social Sciences |
| IBSS | Independent Basic Service Set |
| IBSS | Independent Basic Service Set (IEEE 802.11 wireless networking) |
| IBSS | International Banking Summer School |
| IBSS | Infrared Background Signature Survey |
| IBSS | International Basic Safety Standards (International Atomic Energy Agency) |
| IBSS | Integrated Business Systems and Services, Inc (Columbia, SC) |
| IBSS | International Breast Shape Standard (garment industry) |
| IBSS | Integrated Broadband Services Switch (DSC) |
| IBSS | International Baccalaureate Student Society |
| IBSS | Integrated Business Systems & Solutions |