| ERN | Eritrean Nakfa (ISO currency code) | 厄立特里亚纳克法（ISO货币代码） |
| ERN | Economics Research Network | 经济学研究网 |
| ERN | External Recurrent Neural Network | 外部递归神经网络 |
| ERN | Estação Radionaval (Portugal) | Estação Radionaval (Portugal) |
| ERN | European Rivers Network | 欧洲河流网络 |
| ERN | Error-Related Negativity (EEG recording) | 错误相关负性（EEG记录） |
| ERN | Error Related Negativity | 错误相关否定性 |
| ERN | Encyclopedia of Religion and Nature (Continuum International) | 宗教与自然百科全书（Continuum International） |
| ERN | Equipment Revenue Note (New Jersey Health Care Facilities Financing Authority) | 设备收入票据（新泽西州医疗设施融资管理局） |
| ERN | Engineering Release Notice | 工程发布通知 |
| ERN | Emergency Response Network | 应急响应网络 |
| ERN | nuclear oestrogen-receptor | 核雌激素受体 |
| ERN | Eirunepe, AM, Brazil | 巴西阿姆斯特丹艾鲁内佩 |
| ERN | Erasure Relay Network (network with binary erasure channels) | 擦除中继网络（具有二进制擦除信道的网络） |