| FFL | Feminists for Life | 终身女权主义者 |
| FFL | Friends For Life | 终身好友 |
| FFL | Fairfield, Iowa USA | 美国爱荷华州费尔菲尔德 |
| FFL | Federal Firearm License | 联邦枪支许可证 |
| FFL | Faaberg Fotball Lillehammer | Faaberg Fotball Lillehammer公司 |
| FFL | Fantasy Fishing League | 梦幻钓鱼联盟 |
| FFL | Finished Floor Level | 完工地面标高 |
| FFL | Foo for Life | 终身食物 |
| FFL | Food For Life (vegan/vegetarian food relief organization) | 生命的食物(素食/素食救援组织) |
| FFL | Finished Floor Level (architectural notation) | 完工楼面标高(建筑符号) |
| FFL | Fixed Floor Level (architecture/building) | 固定的地面(建筑/建筑) |
| FFL | Full Frontal Lobotomy (band) | 全额叶切开术(带) |
| FFL | Federal Firearms License | 联邦枪支许可证 |
| FFL | Forward of Friendly Lines (US Army) | 友军前线(美国陆军) |
| FFL | French Foreign Legion | 法国外籍军团 |
| FFL | Frech Foreign Legion | 弗雷奇外国军团 |
| FFL | Fantasy Football League | 梦幻足球联赛 |
| FFL | Fuel Fabrication Laboratory | 燃料制造实验室 |
| FFL | Flexible Fiberoptic Laryngoscopy | 柔性纤维喉镜 |
| FFL | Final Fantasy Legend (video game) | 最终幻想传说(电子游戏) |
| FFL | Federal Firearms Licensees | 联邦火器许可证持有人 |
| FFL | Friend for Life | 终身好友 |
| FFL | Florida Forensic League | 佛罗里达法医联盟 |
| FFL | Fat Frank Lampard (football) | 胖子弗兰克·兰帕德(足球) |
| FFL | Failed Fuel Location | 故障燃油位置 |
| FFL | Light Frigate | 轻型护卫舰 |
| FFL | firefly luciferase | 萤火虫荧光素酶 |