| BIFF | Backhoe Induced Fiber Failure | 反铲导致的光纤故障 |
| BIFF | Berlin International Film Festival | 柏林国际电影节 |
| BIFF | Boulder International Film Festival (Boulder, Colorado) | 博尔德国际电影节（科罗拉多州博尔德） |
| BIFF | Binary Interchange File Format | 二进制交换文件格式 |
| BIFF | Battlefield Identification Friend or Foe | 战场敌友识别 |
| BIFF | Big Improvements For Free (Dilbert) | 免费大改进（Dilbert） |
| BIFF | Bergen Internasjonale Filmfestival (Bergen International Film Festival) | 卑尔根国际电影节 |
| BIFF | Bahamas International Film Festival | 巴哈马国际电影节 |
| BIFF | XLITE 3D file | XLITE 3D文件 |
| BIFF | Battlefield Identification, Friend or Foe | 战场识别，敌友 |
| BIFF | Big Improvements For Free | 免费的重大改进 |
| BIFF | But I Fell Flat | 但我感觉很平淡 |
| BIFF | Best In Fast Food | 最佳快餐店 |