| Acronym | Definition |
|---|
| NSAF➣National Survey of American Families |
| NSAF➣Non-Specific Action Figure (Nintendo) |
| NSAF➣National Stolen Art File |
| NSAF➣Normalized Spectral Abundance Factor |
| NSAF➣Northern San Andreas Fault |
| NSAF➣Nova Scotia Agriculture and Fisheries (now Nova Scotia Fisheries and Aquaculture; Canada) |
| NSAF➣National Security Archive Fund Inc. (Washington, DC) |
| NSAF➣Non-Standard Allowance File |
| NSAF➣Nitrifying Submerged Aeration Filter (tertiary water treatment method) |