NSI
# NSI

NSI may refer to:

## Organizations

* National Savings and Investments, a state-owned savings bank in the UK
* The National Science Institute, formerly The Geek Group, former American science education organization
* National Screen Institute, a non-profit organization in Canada
* National Security Inspectorate, home security trade organisation in the UK
* National Security Intelligence, the principal civilian intelligence agency of the People's Republic of Bangladesh
* National Space Institute, a former space advocacy group in the USA
* National Statistical Institute (Bulgaria), state agency responsible for the collection and dissemination of statistical data on the population, economy and environment of the country
* Network Solutions, LLC., formerly Network Solutions Inc., a technology company founded in 1979
* Neurological Society of India, apex body representing neuroscientists of India
* The Neurosciences Institute, a former nonprofit research institute that focused on research designed to discover the biological basis of higher-brain function
* New Slovenia – Christian People's Party, a political party in Slovenia
* North-South Institute, a former policy research institution or think tank based in Canada
* Northern Sydney Institute of TAFE, an Australian vocational education and training provider
* NSÍ Runavík, a Faroe Islands football team

## Indices

* National Student Index, a system that assigns every New Zealand secondary and tertiary student with a unique identification number
* Nitrogen solubility index, a measure of the solubility of a protein
* Norwegian Scientific Index, a bibliographic database aimed at covering and rating all serious academic publication channels worldwide

## Locations

* North Sentinel Island, an island in the Andaman Island Archipelago in the Bay of Bengal
* the FAA location ID of the Naval Outlying Landing Field San Nicolas Island
* the IATA airport code of Yaoundé Nsimalen International Airport

## Technology

* NASA Standard Initiator, an electrochemical device which plays a critical role in initiating various pyrotechnic events in the National Space Transportation System
* Network Service Interface, the interface between a station and the network in a mobile communications network
* .nsi, a text file extension used by Nullsoft Scriptable Install System

## Other

* Nationwide Suspicious Activity Reporting Initiative
* National systems of innovation
