| NLSS | National Language Sort Sequence
| Others |
| NLSS | National Learner Satisfaction Survey
| Others |
| NLSS | National Longitudinal Survey of Schools
| Others |
| NLSS | Navy Logistics Systems School
| Others |
| NLSS | Neighbourhood Link Support Services
| Others |
| NLSS | Neighbourhoodlink Link Support Services
| Others |
| NLSS | Nepal Living Standard Survey
| Others |
| NLSS | Neutral List Selection System
| Others |
| NLSS | Next Level Security Systems
| Others |
| NLSS | Next Level Speedrun Showcase
| Others |
| NLSS | North Lake Sailing School
| Others |
| NLSS | North Lambton Secondary School
| Others |
| NLSS | North Louisiana Swallow Solutions
| Others |
| NLSS | Northern Landcare Support Services
| Others |
| NLSS | Northern Lights Secondary School
| Others |
| NLSS | Northernlion Live Sh*t Show
| Others |
| NLSS | Northernlion Live Super Show
| Others |
| NLSS | NOVA Large Square Sconce
| Others |