| FTN | Facsimile Transmission Network | 传真传输网 |
| FTN | Four-Terminal Network | 四端网络 |
| FTN | FEC to NHLFE Map (Multiprotocol Label Switching) | FEC到NHLFE映射（多协议标签交换） |
| FTN | Freak Ted Nugent (polite form of song by Goldfinger) | 怪胎泰德·纽金特（金手指歌曲的礼貌形式） |
| FTN | Fiber Transmission Network | 光纤传输网络 |
| FTN | Fido Technology Networks | Fido技术网络 |
| FTN | Face the Nation (CBS News) | 面向全国（CBS新闻） |
| FTN | Finger-To-Nose (physical exam neurological test) | 手指对鼻子（体检神经测试） |
| FTN | Future Tactical Network | 未来战术网络 |
| FTN | Force Tracking Number | 强制跟踪编号 |
| FTN | Forget The Navy (polite form) | 忘记海军（礼貌用语） |
| FTN | Fun Time Navy | 趣味时光海军 |
| FTN | Franja Transversal del Norte (Guatemala region) | Franja Transversal del Norte（危地马拉地区） |
| FTN | Family Television Network | 家庭电视网 |
| FTN | Food Totaal Nederland | 食品托塔尔荷兰 |
| FTN | First Tennessee National Corporation | 第一田纳西州国家公司 |
| FTN | Fortran language source code file (fixed form) | Fortran语言源代码文件（固定格式） |