| NALS | National Association of Legal Secretaries | 全国法官协会 |
| NALS | North American Lily Society | 北美百合协会 |
| NALS | National Adult Literacy Study | 全国成人扫盲研究 |
| NALS | Neonatal Advanced Life Support (nursing certification) | 新生儿高级生命支持（护理认证） |
| NALS | National Adult Literacy Survey | 全国成人识字率调查 |
| NALS | National Liaison Staff | 国家联络人员 |
| NALS | National Adult Learning Survey | 全国成人学习调查 |
| NALS | sodium lauryl sulfate | 十二烷基硫酸钠 |