NSI
NSI stands for:
- New control instruments
- Yaoundé Nsimalen International Airport, Cameroon Airport (IATA code)
- Abbreviation used in the EU institutions for National Statistics Institutes
- National Statističeski Institute , National Statistical Institute of the Republic of Bulgaria , Statistical Office of Bulgaria
- Nes Sóknar Ítrottarfelag , Faroese football club ("Sports Association of the Municipality of Nes"), NSÍ Runavík for short
- Lower Saxony Study Institute of Local Government e. V., association for vocational training, further education and training of employees of local government
- Nordisk Samisk Institutt , see Sami University # History
- Nova Slovenija Krščanska ljudska stranka , Slovenian New Slovenia Party
- Number switch impulse , on old telephones a dial contact
nsi stands for:
- Nigerian Sign Language (ISO-639-3 code)
