| SNR | Signal to Noise Ratio | 信噪比 |
| SNR | SuperNova Remnant | 超级新星遗存者 |
| SNR | Sunair Electronics, Inc. | Sunair电子有限公司。 |
| SNR | Signal - To - Noise Ratio | 信噪比 |
| SNR | The Signal To Noise Ratios | 信噪比 |
| SNR | Subject to Non-Renewal | 不可续期 |
| SNR | S-Type Noise Reduction (Dolby cassette technology) | S型降噪（杜比盒式技术） |
| SNR | Single Number Reach | 单个数字范围 |
| SNR | Saved Number Redial | 保存的号码重拨 |
| SNR | Super Nova Remnant | 超级新星遗存者 |
| SNR | Senior National Representative | 高级国家代表 |
| SNR | Stiles & Riabokobylko | 斯蒂尔和Riabokobylko |
| SNR | Signature Not Required | 不需要签名 |
| SNR | Sporting News Radio | 体育新闻广播 |
| SNR | Signal-to-Noise Ratio | 信噪比 |
| SNR | Sonar | 声纳 |
| SNR | Sunflour Railroad Incorporated | 阳光铁路公司 |
| SNR | School of Natural Resources | 自然资源学院 |
| SNR | Seiner (Dutch) | 塞纳河（荷兰语） |
| SNR | Supplier Nonconformance Report | 供应商不合格报告 |
| SNR | Senior NAVOCEANO Representative (US Navy) | NAVOCEANO高级代表（美国海军） |
| SNR | Sub-Net Relay | 子网继电器 |
| SNR | Stochastic Noise Reaction (gradient method for minimization of arbitrary functions) | 随机噪声反应（任意函数最小化的梯度法） |
| SNR | Startup Notification Report | 启动通知报告 |