| TFI | Thin-Film Inducted Heads | 薄膜感应磁头 |
| TFI | Thick Film Integrated | 复合薄膜集成电路 |
| TFI | Toccoa Falls Institute | 托科瀑布研究所 |
| TFI | Technology Forecasters, Inc. | 技术预测公司。 |
| TFI | Tufi, Papua New Guinea | 图菲,巴布亚新几内亚 |
| TFI | Topsfield Foundation, Inc. | 托普斯菲尔德基金会。 |
| TFI | Tredair Foam Injected | 注射Tredair泡沫 |
| TFI | Thick Film Integration | 厚膜集成 |
| TFI | Techno Freak Ike | 技术怪胎艾克 |
| TFI | The Fifth Inning | 第五客栈 |
| TFI | Transfer Function Identification | 传递函数识别 |
| TFI | tubulary fertility index | 小管生育指数 |
| TFI | Thin-Film Inductive | 薄膜感应式 |
| TFI | Terminal Facility Identifier | 终端设施标识符 |
| TFI | Terminal Flight Information | 航站楼航班信息 |
| TFI | Time-Frequency Interleaving | 时频交织 |
| TFI | Thick Film Integrated Ignition (Ford) | 厚膜集成点火(福特) |
| TFI | True Finder Integration | True Finder集成 |
| TFI | Temporary Funding Increase | 临时资金增加 |
| TFI | Office of Terrorism and Financial Intelligence (US government) | 恐怖主义和金融情报办公室(美国政府) |
| TFI | The Fertilizer Institute | 肥料研究所 |
| TFI | Thanks for Info | 感谢提供信息 |
| TFI | Technology Futures, Inc. | 技术期货公司。 |
| TFI | testosterone free index | 无睾酮指数 |
| TFI | Temporary Flow Identity | 临时流标识 |
| TFI | Tubal Factor Infertility | 输卵管因素不孕 |
| TFI | Thin-Film Imaging | 薄膜成像 |
| TFI | The Franklin Institute (Philadelphia, Pennsylvania) | 富兰克林研究所(宾夕法尼亚州费城) |
| TFI | Tobacco Free Initiative (World Health Organization) | 无烟倡议(世界卫生组织) |
| TFI | Topside Fabrication and Installation (oil installation) | 上部结构制造和安装(油安装) |