| NASS | North American Speed Society | 北美速度协会 |
| NASS | National Association of Street Schools | 全国街头学校协会 |
| NASS | North American Strongman Society | 北美强人协会 |
| NASS | National Association for Safe Schools | 国家安全学校协会 |
| NASS | National Association of Secretaries of State | 国家国务卿协会 |
| NASS | North American Shagya-Arabian Society | 北美沙迦阿拉伯协会 |
| NASS | National Agriculture Statistics Service | 国家农业统计局 |
| NASS | North Adams Fire Department | 北亚当斯消防局 |
| NASS | Network Attachment Sub-System | 网络附件子系统 |
| NASS | National Asylum Support Service (UK) | 国家庇护支持服务(英国) |
| NASS | National Air and Surface System | 国家空气和地面系统 |
| NASS | National Asylum Seekers Service | 国家寻求庇护服务处 |
| NASS | Network Attachment Subsystem | 网络连接子系统 |
| NASS | National Agricultural Statistics Service | 国家农业统计局 |
| NASS | National Alliance for Safe Schools | 国家安全学校联盟 |
| NASS | National Ankylosing Spondylitis Society | 全国强直性脊柱炎学会 |
| NASS | National Assembly (UK) | 国民议会(英国) |
| NASS | National Automotive Sampling System (US DOT) | 美国国家汽车取样系统(US DOT) |
| NASS | Network Attached Storage Systems | 网络连接存储系统 |
| NASS | Naval Academy Sailing Squadron | 海军学院帆船中队 |
| NASS | North American Spine Society | 北美脊柱学会 |
| NASS | Ngee Ann Secondary School (Singapore) | 义安中学(新加坡) |
| NASS | Naval Academy Summer Seminar (summer admissions program for prospective students) | 海军学院夏季研讨会(面向未来学生的夏季招生计划) |
| NASS | Nebraska Agricultural Statistics Service | 内布拉斯加州农业统计局 |
| NASS | National Accident Sampling System | 国家事故取样系统 |
| NASS | New Age Security Solutions | 新时代安全解决方案 |
| NASS | North American Sundial Society | 北美日晷学会 |
| NASS | Numerical Aerodynamics Simulation System | 数值空气动力学模拟系统 |