| RNI | Rete Nazionale Interbancaria (Italian: National Interbank Network) | 国家银行间网络（意大利语：National Interbank Network） |
| RNI | Radical Networks, Inc. | Radical Networks公司。 |
| RNI | Reality Not Included | 不包括现实 |
| RNI | RS3 Network Interface | RS3网络接口 |
| RNI | Renaissance Networking, Inc. | Renaissance Networking公司。 |
| RNI | Recommended Nutrient Intake | 推荐营养摄入 |
| RNI | Roswell Neglected, Incorporated | Roswell被忽视，公司 |
| RNI | Research Network Incorporated | 研究网络公司 |
| RNI | Ricochet Networks, Inc. | Ricochet Networks公司。 |
| RNI | Corn Island, Nicaragua | 尼加拉瓜玉米岛 |
| RNI | Redundant Nested Invocation | 冗余嵌套调用 |
| RNI | Rate of Natural Increase | 自然增长率 |
| RNI | Radio Network Interface | 无线电网络接口 |
| RNI | Reactive Nitrogen Intermediate | 活性氮中间体 |
| RNI | Radio Northsea International | 北海国际广播电台 |
| RNI | Relative Noncentrality Index | 相对非中心性指数 |
| RNI | Recommended Nutritional Intake | 推荐营养摄入量 |
| RNI | Russian Independent Institute for the Study of Social and National Problems | 俄罗斯社会和民族问题独立研究所 |
| RNI | Registrar of Newspapers for India | 印度报纸注册处 |
| RNI | Resident Navy Inspector | 常驻海军检查员 |
| RNI | Rassemblement National des IndÉpendants (French: National Rally of Independents, Morocco) | Rassemblement National des IndÉpendants (French: National Rally of Independents, Morocco) |
| RNI | Raw Native Interface (Sun) | 原始本机接口（Sun） |
| RNI | Radionuclide Imaging | 放射性核素成像 |
| RNI | Reference Nutrient Intake | 参考营养摄入 |
| RNI | Remote Network Interface | 远程网络接口 |
| RNI | Redwood Neuroscience Institute | 红木神经科学研究所 |
| RNI | rehabilitation nursing institute | 康复护理机构 |
| RNI | Redleaf National Institute | 红叶国家研究所 |
| RNI | Reversible Numerical Indicator | 可逆数字指示器 |