| Acronym | Definition |
|---|
| NLSA | Northern Lights Software Associates |
| NLSA | National Library of South Africa |
| NLSA | National Legal Services Authority (India) |
| NLSA | Neighborhood Legal Services Association |
| NLSA | North London Strategic Alliance |
| NLSA | National Lutheran Schools Accreditation |
| NLSA | Natural Language Speech Assistant (Unisys) |
| NLSA | Newfoundland and Labrador Statistics Agency |
| NLSA | National Lutheran Schools Association |
| NLSA | Newfoundland and Labrador Soccer Association (Canada) |
| NLSA | Nuclear Launch Safety Approval |
| NLSA | National Land Settlement Administration |
| NLSA | Northern Lightning Sprint Association (Canada) |
| NLSA | National Locksmith Suppliers Association |
| NLSA | Nevada Live Stock Association |
| NLSA | National Logistics Staging Area |
| NLSA | Nantucket Lightship Area |
| NLSA | National Legal Service Authority (India) |
| NLSA | National Liquor Stores Association |
| NLSA | NOAA Laboratory for Satellite Altimetry |
| NLSA | Newfoundland and Labrador Shooting Association |
| NLSA | Nonprofit Leadership Student Association |
| NLSA | No Limits Support Association |
| NLSA | Neighorhood Legal Services Association |
| NLSA | Northeast Life Skills Associates, Inc. (Passaic, New Jersey) |
| NLSA | Native Law Students Association |
| NLSA | North Louisiana Safety Association |
| NLSA | National Licensing Systems Australia |
| NLSA | Not Low Specific Activity |
| NLSA | Nonlinear Stress Analysis |
| NLSA | Newfoundland and Labrador Sailing Association (Canada) |