| Acronym | Definition |
|---|
| DSSO➣Duluth Superior Symphony Orchestra (Duluth, MN) |
| DSSO➣Den Stora Svenska Ordlistan (Swedish: The Great Swedish Dictionary) |
| DSSO➣Data System Support Organization (US DoD) |
| DSSO➣Disabled Student Services Office |
| DSSO➣Deaf Services of Southern Oregon (Medford, OR) |
| DSSO➣Defense Systems Support Organization |
| DSSO➣Defence Security Standards Organisation (UK) |
| DSSO➣Device Selection Scripting Object (Microsoft) |
| DSSO➣Dynamic Single Step Optimization |
| DSSO➣Defense Surplus Sales Office |
| DSSO➣Dealer Sponsored Servicing Owner |
| DSSO➣Doncaster Schools Senior Orchestra (UK) |
| DSSO➣double switched socket outlet |