| TFL | Tree Farm Licence (forest industry) | 林场牌照（林业） |
| TFL | Toronto Fun League (LAN gaming group) | 多伦多娱乐联盟（局域网游戏组） |
| TFL | Teflon | 特氟隆 |
| TFL | Tackle for Loss | 应对损失 |
| TFL | Training for Life (UK) | 终身培训（英国） |
| TFL | Task Force Leader | 任务组组长 |
| TFL | Thanks for Looking | 感谢您的查找 |
| TFL | Transport for London | 伦敦交通 |
| TFL | The Fanlistings (message board) | 粉丝列表（留言板） |
| TFL | Transparent Failure Location | 透明故障位置 |
| TFL | Time-Frequency Localization | 时间频率定位 |
| TFL | TRICARE for Life (health care system for retired military) | TRICARE for Life（退役军人医疗保健系统） |
| TFL | Thulium Fiber Laser | 铥光纤激光器 |
| TFL | Tasmanian Football League (AU) | 塔斯马尼亚足球联赛（AU） |
| TFL | Time for Lyme, Inc (Greenwich, CT) | 莱姆公司时间（康涅狄格州格林威治） |
| TFL | Tensor Fasciae Latae (muscle) | Latae筋膜张肌（肌肉） |
| TFL | Team Fortress League (gaming league) | 团队堡垒联盟（游戏联盟） |
| TFL | Time for Lunch | 午餐时间 |
| TFL | The Fallen Lords (Game) | 堕落的领主（游戏） |
| TFL | Telecom Fiji Limited | 斐济电信有限公司 |
| TFL | Tensor Fasciae Latae | Latae筋膜张肌 |
| TFL | The Frugal Life | 节俭的生活 |
| TFL | TRICARE For Life | 终身TRICARE |
| TFL | Teofilo Otoni, Minas Gerais, Brazil | Teofilo Otoni，巴西米纳斯吉拉斯 |
| TFL | Thin Film Lubricant | 薄膜润滑剂 |
| TFL | The Firing Line (website) | 火线（网站） |
| TFL | Trap Filled Limit | 陷阱填充限制 |
| TFL | True Forced Loneliness | 真正的被迫孤独 |
| TFL | Toronto Fun League | 多伦多娱乐联盟 |
| TFL | Transfer Flight Level | 转移飞行高度层 |
| TFL | The Fallen Lords | 堕落的领主 |
| TFL | Temporary Fuel Location (Texas evacuation preparedness) | 临时燃料位置（德克萨斯州疏散准备） |
| TFL | Tannoos Freedom League | 坦诺斯自由联盟 |
| TFL | Taliban For London | 伦敦塔利班 |
| TFL | Thugs for Life | 终身打人 |
| TFL | Technologies For Learning | 学习技术 |
| TFL | tensor fascia lata | 阔筋膜张肌 |
| TFL | The Forbidden Land | 禁地 |
| TFL | Tages Fahr Lichter | 泰格·法尔·利希特 |
| TFL | The French Laundry | 法国洗衣店 |
| TFL | Tackled For Loss | 应对损失 |