| Rank | Abbreviation | Meaning |
|---|
| ***** | NLSA | National Land Settlement Administration
| |
| **** | NLSA | National Lutheran Schools Accreditation
| |
| *** | NLSA | No Limits Support Association
| |
| *** | NLSA | National Legal Services Authority
| |
| *** | NLSA | Newfoundland and Labrador Statistics Agency
| |
| *** | NLSA | Newfoundland and Labrador Soccer Association
| |
| *** | NLSA | Newfoundland and Labrador Sailing Association
| |
| *** | NLSA | Northeast Life Skills Associates, Inc.
| |
| *** | NLSA | Native Law Students Association
| |
| ** | NLSA | Newfoundland and Labrador Shooting Association
| |
| ** | NLSA | Northern Lights Software Associates
| |
| ** | NLSA | North London Strategic Alliance
| |
| ** | NLSA | National Library of South Africa
| |
| ** | NLSA | Nevada Live Stock Association
| |
| ** | NLSA | Nonlinear Stress Analysis
| |
| ** | NLSA | Nuclear Launch Safety Approval
| |
| ** | NLSA | Northern Lightning Sprint Association
| |
| ** | NLSA | National Logistics Staging Area
| |
| * | NLSA | Nonprofit Leadership Student Association
| |
| * | NLSA | Not Low Specific Activity
| |
| * | NLSA | National Lutheran School Association
| |
| * | NLSA | Neighborhood Legal Service Association
| |
| * | NLSA | National Licensing Systems Australia
| |
| * | NLSA | Network Least Squares Adjustment
| |
| * | NLSA | National Level Service Agency
| |