The meaning of the Acronym NSIS is...

NSIS is

• North Snohomish Island, Skagit

More Meanings For NSIS:

• Nullsoft Scriptable Install System
• Nullsoft Scriptable Install System
• Next Step In Signaling
• North Snohomish Island, Skagit

NSIS is also in:

• Military
• Security
• Software
• States