| Acronym | Definition |
|---|
| NSFF➣Not Safe for Facebook |
| NSFF➣Norsk Selskap for Fotografi (Norwegian: Norwegian Society for Photography) |
| NSFF➣National School Fitness Foundation |
| NSFF➣Not Safe for Family (Internet slang) |
| NSFF➣North-South Freight Freeways (Netherlands) |
| NSFF➣National Security Framework Forum |
| NSFF➣Not Suitable for Family (Internet slang) |