| ETN | Eaton Corporation | 伊顿公司 |
| ETN | Estimated True North (navigation) | 估计正北(导航) |
| ETN | European Travel Network | 欧洲旅行网 |
| ETN | Exchange Traded Note (investing) | 交易所交易票据(投资) |
| ETN | Equipment Table Nomenclature | 设备表命名 |
| ETN | Enterprise Telecommunications Network | 企业电信网络 |
| ETN | Eastland, Texas USA | 美国德克萨斯州伊斯特兰 |
| ETN | Event Tracking Number | 事件跟踪编号 |
| ETN | Egg The Nest | 蛋的巢 |
| ETN | Express Travel Network (Romania) | 快速旅行网(罗马尼亚) |
| ETN | Educational Telephone Network | 教育电话网 |
| ETN | Electronic Tandem Network | 电子串联网络 |
| ETN | European Turbine Network (Brussels, Belgium) | 欧洲涡轮机网络(比利时布鲁塞尔) |
| ETN | Ethiopian Television Network | 埃塞俄比亚电视网 |
| ETN | erythrityl tetranitrate | 四硝酸赤藓酯 |
| ETN | Eaton Corporation (stock symbol) | 伊顿公司(股票代码) |