Other Uses
- National Security Act (South Korea) of South Korea
- National Security Letter, a demand letter by the US FBI to turn over information on individuals
- National speed limit, a British speed limit
- National Sport Launch, the annual fun, or "sport," launch of the National Association of Rocketry
- Nicaraguan Sign Language, a unique new signed language developed by deaf children in Nicaragua
- North South MRT Line of the Singapore Mass Rapid Transit system
- Norwegian Sign Language, the sign language used by the Norwegian deaf community
- North South MRT Line, a MRT line in Singapore
Read more about this topic: NSL