NSIS

NSIS may refer to:

Technology

• National Sheep Identification System, the implementation in Ireland for the identification and registration of ovine and caprine animals
• Network Store Interface Service, a Microsoft Windows service
• Next Steps in Signaling, an Internet Engineering Task Force working group
• Nullsoft Scriptable Install System, a script-driven Windows installation system

Education

• New Sathorn International School, an international school located in Bangkok- the heart of the central business district, Thailand.