| Acronym | Definition |
|---|
| OSSS➣Open Source Six Sigma (est. 2007; intelletctual property) |
| OSSS➣One Stop Satellite Solutions |
| OSSS➣Operational Space Services and Support |
| OSSS➣Open Side, Side Seam (envelope design) |
| OSSS➣Officer Selection Support System |
| OSSS➣Brigittine Monks Order of the Most Holy Savior |
| OSSS➣One Stop Security Shop |
| OSSS➣Open Source Security Summit |