| Acronym | Definition |
|---|
| NSF➣National Science Foundation |
| NSF➣Non Sufficient Funds |
| NSF➣Not Sufficient Funds (return check reason code) |
| NSF➣National Sanitation Foundation |
| NSF➣National Service Framework (Department of Health UK) |
| NSF➣National Sleep Foundation |
| NSF➣Not So Fast |
| NSF➣Nephrogenic Systemic Fibrosis |
| NSF➣New Single Family (zoning) |
| NSF➣National Security Forum |
| NSF➣Not Safe For |
| NSF➣National Sanitation Foundation International (Ann Arbor, MI) |
| NSF➣Norsk Sykepleierforbund (Norwegian Nurses League) |
| NSF➣North South Foundation (est. 1989) |
| NSF➣N-Ethylmaleimide-Sensitive Fusion (protein) |
| NSF➣No Significant Findings |
| NSF➣Norges Standardiseringsforbund |
| NSF➣Naval Support Facility |
| NSF➣N-Ethylmaleimide-Sensitive Factor (aka N-Ethylmaleimide-Sensitive Fusion Protein) |
| NSF➣Norway, Sweden, Finland (in order, left to right) |
| NSF➣Nationalsocialistisk Front (Swedish neo-Nazi political party) |
| NSF➣Non-Stop Forwarding |
| NSF➣Natural Solutions Foundation (est. 2004) |
| NSF➣Notes Storage Facility |
| NSF➣Non Standard Facilities |
| NSF➣No Sector Found |
| NSF➣Nes Sound Format |
| NSF➣Non Stop Forwarding |
| NSF➣Network Supervisory Function |
| NSF➣not Specified |
| NSF➣Norges Speiderforbund (Norwegian: Norwegian Scout Association) |
| NSF➣National Sports Festival |
| NSF➣National Strike Force (US Coast Guard) |
| NSF➣Norges Seilforbund (Norway) |
| NSF➣National Standard Format |
| NSF➣Net Square Foot |
| NSF➣Non-Standard Facilities |
| NSF➣North Sea Fleet (China) |
| NSF➣National Schizophrenia Fellowship (UK) |
| NSF➣Nederlandse Sport Federatie |
| NSF➣National Sport Federation (Canada) |
| NSF➣National Service Full-Time (Singapore conscription) |
| NSF➣Neighborhood Street Fund (Seattle, WA) |
| NSF➣Naval Surface Fire |
| NSF➣National Sports Foundation |
| NSF➣Non-Senate Faculty (California) |
| NSF➣Nuclear Storage Facility |
| NSF➣Notes Storage Facility (Lotus Notes) |
| NSF➣New Student Forum |
| NSF➣National Stud Farm (horses; Malaysia) |
| NSF➣Norges Sjakkforbund (Norwegian Chess Association) |
| NSF➣Norges Svømmeforbund (Norwegian Swimming Federation) |
| NSF➣National Storytelling Festival |
| NSF➣National Stakeholders Forum |
| NSF➣Norwegian Sale Form (shipping industry) |
| NSF➣Near Side Front (automotive suspension) |
| NSF➣Norsk Sjømannsforbund (Norwegian Sailors League) |
| NSF➣Naga Students' Federation (UK) |
| NSF➣Network Specific Facility (ISDN) |
| NSF➣Natural Selection Foods LLC (San Juan Bautista, California) |
| NSF➣Naval Stock Fund (US Navy) |
| NSF➣Non-Stock Fund |
| NSF➣NES (Nintendo Entertainment System) Sound File (file extension) |
| NSF➣Name Search File |
| NSF➣Nintendo Sound File |
| NSF➣Needy Student Fund |
| NSF➣Norsk Sveiseteknisk Forbund (Norwegian Association for Welding Engineering) |
| NSF➣Nuclear Structure Facility (Daresbury Laboratory, Cheshire, UK, now closed; |
| NSF➣Norsk Statistisk Forening (Norwegian Statistical Society) |
| NSF➣Norsk Selvhjelpsforum (Norwegian Self-help Forum) |
| NSF➣National Secessionist Forces (gaming) |
| NSF➣Navy Stock Fund |
| NSF➣Norsk Sosiologforening (Norwegian Association of Sociologists) |
| NSF➣Name Search Facility |
| NSF➣Northwest Secessionist Forces (Deus-Ex game) |
| NSF➣North Shore Frogmen (Beverly, Massacusetts scuba club) |
| NSF➣Nederlandse Strandzeil Federatie |
| NSF➣Norsk Speider Forbund (Norwegian Scout Association) |
| NSF➣Norsk Statsvitenskapelig Forening (Norway) |
NSF - an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education