| DSSO | Doncaster Schools Senior Orchestra (UK) | 唐卡斯特学校高级管弦乐队（英国） |
| DSSO | Defense Systems Support Organization | 防御系统支援组织 |
| DSSO | Duluth Superior Symphony Orchestra (Duluth, MN) | 德卢斯高级交响乐团（明尼苏达州德卢斯） |
| DSSO | Dynamic Single Step Optimization | 动态单步优化 |
| DSSO | Deaf Services of Southern Oregon (Medford, OR) | 俄勒冈州南部（俄勒冈州梅德福）聋人服务 |
| DSSO | Defense System Support Organization | 国防系统支持组织 |
| DSSO | Dealer Sponsored Servicing Owner | 经销商赞助的服务所有者 |
| DSSO | Disabled Student Services Office | 残疾学生服务办公室 |
| DSSO | Defense Surplus Sales Office | 国防盈余销售办公室 |
| DSSO | Defence Security Standards Organisation (UK) | 国防安全标准组织（英国） |
| DSSO | double switched socket outlet | 双开关插座 |
| DSSO | data system support organization (US DoD) | 数据系统支持组织（美国国防部） |