NSF

NSF may stand for:

Political organizations

• National Socialist Front, a Swedish National Socialist party
• NS-Frauenschaft, the women's wing of the former German Nazi party
• National Students Federation, a leftist Pakistani students' political group
• Norsk Syndikalistisk Forbund, a Norwegian anarcho-syndicalist group
• National Salvation Front (disambiguation), various organizations
• fictional rebel group in Deus Ex game

Other organizations

• National Science Foundation, a United States government agency
• National Service Framework, one of various British health policies
• NSF International, formerly the National Sanitation Foundation, is a food safety standards group
• North South Foundation, an Indian-American educational organization
• Nykterhetsrörelsens Scoutförbund, a Swedish scouting organization
• Norges Speiderforbund, a Norwegian scouting organization
• National Sleep Foundation, a United States health organization
• Palestinian National Security Forces

Medicine

• Nephrogenic systemic fibrosis, a disease
• N-ethylmaleimide sensitive fusion protein, an enzyme and gene

Computing

• NES Sound Format (.nsf), an audio file format for the Nintendo Entertainment System
• Notes Storage Facility (.nsf), the file type for IBM Lotus Notes databases
• Nintendo 64, a video game console
• Nonstop Forwarding (NSF), a network package switching technology by Cisco

Other

• Non-sufficient funds, a cause for a bank to reject a check
• New Small Family, an automobile model range
• National Service Full-time, a type of conscription in Singapore
• Thiazyl fluoride, an unstable gas with the chemical formula NSF