Found 8 full forms for HSOS
| Term | Full Form | Category |
|---|---|---|
| HSOS | Head Start on Science 
| Others |
| HSOS | Heat solutions on Site
| Others |
| HSOS | Hepatic sinusoidal obstruction syndrome
| Others |
| HSOS | High Spin Open Shell
| Others |
| HSOS | Huairou Solar Observing Station
| Others |
| HSOS | Humanitarian Situation Overview in Syria
| Others |
| HSOS | Humanitarian Situation Overview of Syria
| Others |
| HSOS | Humanitarian Situation Overview Syria
| Others |