| NFFF | National Fallen Firefighters Foundation | 国家倒下消防员基金会 |
| NFFF | National Federation of Fish Friers | 全国炸鱼联合会 |
| NFFF | Norsk Forening for Fedmeforskning | Norsk Forening for Fedmeforsking公司 |
| NFFF | Nottingham Forest Football Fans | 诺丁汉森林足球迷 |
| NFFF | New Fiction and Facts from Finland | 来自芬兰的新小说和事实 |
| NFFF | National Fantasy Fan Federation | 全国奇幻粉丝联合会 |
| NFFF | Norsk Forening for Fotfeilstillinger | 诺尔斯克福特菲尔斯林森林 |
| NFFF | Naked Freedom Film Festival | 裸体自由电影节 |
| NFFF | Norsk Forening for Fullblodsavl | Fullblodsavl的挪威森林 |
| NFFF | North Florida Fly Fishers (Gainesville, Florida) | 北佛罗里达飞蝇渔民（佛罗里达州盖恩斯维尔） |
| NFFF | Non Form-Fit-Function | 非形状拟合函数 |
| NFFF | North Florida Fly Fishers | 北佛罗里达飞鱼 |