| NDSO | National Down Syndrome Organization | 国家唐氏综合症组织 |
| NDSO | Netherlands Detachment Springfield Ohio | 俄亥俄州斯普林菲尔德荷兰支队 |
| NDSO | National Drug Service Organisation (Lesotho) | 国家毒品服务组织（莱索托） |
| NDSO | Notre Dame Symphony Orchestra | 圣母院交响乐团 |
| NDSO | Nasolacrimal Drainage System Obstruction | 鼻泪管引流系统阻塞 |
| NDSO | National Democratic Student Organization | 全国民主学生组织 |