| RFR | Royal Air Force UK (ICAO code) | 英国皇家空军（ICAO代码） |
| RFR | Rio Frio, Costa Rica (Airport code) | 哥斯达黎加里约弗里奥（机场代码） |
| RFR | Request For Response | 请求响应 |
| RFR | receptive field response | 感受野反应 |
| RFR | Request For Removal | 删除请求 |
| RFR | Request For References | 参考资料请求 |
| RFR | Review For Religious | 宗教评论 |
| RFR | Resources for Rehabilitation | 康复资源 |
| RFR | Rio Frio, Costa Rica | 哥斯达黎加里约弗里奥 |
| RFR | Residence Flag Reciprocal | 居住标志相互 |
| RFR | Road Film Remover | 道路薄膜清除器 |
| RFR | Regional Fast Rail | 区域快速铁路 |
| RFR | Royal Fleet Reserve | 皇家舰队预备队 |
| RFR | Rutgers Formula Racing | 罗格斯方程式赛车 |
| RFR | Request For Review | 审查请求 |
| RFR | Ruttenberg Fishman And Rosen | Ruttenberg Fishman和Rosen |
| RFR | Reduced Force Rehearsal (US Army) | 缩减兵力演习（美国陆军） |
| RFR | Reason for Resource | 资源的原因 |
| RFR | Reverse Flow Regeneration (ion exchange) | 逆流再生（离子交换） |
| RFR | Run for Record | 运行以获取记录 |
| RFR | Request for Referrals | 推荐请求 |
| RFR | Ready for Release | 准备发布 |
| RFR | Run-From-RAM (Cisco) | 从RAM运行（Cisco） |
| RFR | Request For Resources | 资源请求 |
| RFR | Radio Frequency Radiation | 射频辐射 |
| RFR | Router Failure Recovery | 路由器故障恢复 |
| RFR | Radio Free Roscoe (TV show) | 罗斯科自由电台（电视节目） |
| RFR | Risk-Free Rate (investing) | 无风险利率（投资） |
| RFR | Right of First Refusal | 优先购买权 |
| RFR | Rise from Ruins (band) | 从废墟中崛起（乐队） |
| RFR | Receive Frame Reference | 接收帧参考 |
| RFR | River Falls Rideshare (Wisconsin) | River Falls Rideshare（威斯康星州） |
| RFR | Ready For Recheck | 准备重新检查 |
| RFR | Radio Free Roscoe | 罗斯科自由电台 |