NLS
NLS is an abbreviation for:
- National Language Service , a government institution in South Africa
- Native Language Support , software for adapting the language setting
- National Law School of India University
- National Library of Scotland in Edinburgh
- Naturland Foundation Saar , German nature conservation foundation
- Nuclear localization signal , a signal sequence in cells of living organisms, see nuclear localization signal
- oN-Line System , computer system from Douglas Engelbart
- Sodium lauryl sulfate , an anionic surfactant (also known as SDS )