| RFO | Request for Offer | 报价请求 |
| RFO | Regularly Funded Organisation (UK) | 定期资助组织（英国） |
| RFO | Reason For Outage | 停机原因 |
| RFO | Residual Fuel Oil | 剩余燃料油 |
| RFO | Recycled Fuel Oil | 回收燃油 |
| RFO | Residual Frequency Offset | 残余频率偏移 |
| RFO | Radio France Outremer (French: Overseas France Radio) | 法国对外广播电台（法语：海外法国电台） |
| RFO | Remote Foreign Office | 远程外事办公室 |
| RFO | Revue des FacultÉs Catholiques de l'Ouest | Revue des FacultÉs Catholiques de l'Ouest |
| RFO | Responsible Finance Officer (UK) | 负责财务官（英国） |
| RFO | Rising Force Online (massive multiplayer online game) | Rising Force Online（大型多人在线游戏） |
| RFO | Reconfigurable Fusion Objects | 可重构融合对象 |
| RFO | Refined Furnace Oil | 精炼炉油 |
| RFO | Republicans for Obama | 支持奥巴马的共和党人 |
| RFO | Relative Frequency Offset | 相对频率偏移 |
| RFO | Reading Festival Online | 在线阅读节 |
| RFO | Radio Frequency Oscillator | 射频振荡器 |
| RFO | Rocky Flats (Operations) Office (Department Of Energy) | Rocky Flats（运营）办公室（能源部） |
| RFO | Right Foot Only (dance game) | 仅右脚（舞蹈游戏） |
| RFO | Recovery Field Office (USACE) | 恢复现场办公室（USACE） |
| RFO | Regional Framework Operative | 区域框架运作 |
| RFO | Raven Fox Organization | Raven Fox组织 |
| RFO | Rocky Flats Office | 洛基公寓办公室 |
| RFO | Robert Ferguson Observatory | 罗伯特·弗格森天文台 |
| RFO | Right Foot Off | 右脚离地 |
| RFO | Real Estate Financial Options. Inc. | 房地产金融期权。股份有限公司 |
| RFO | Ready for Occupancy | 准备入住 |
| RFO | Radio Free Oz | 无线自由Oz |
| RFO | Right Forward Outside Edge (ice skates) | 右前外侧边缘（溜冰鞋） |
| RFO | Regional Forestry Office | 区域林业办公室 |
| RFO | Request for Outsourcing | 外包申请 |
| RFO | Restrictive Flow Orifice | 节流孔板 |
| RFO | Restricted Flow Orifice | 节流孔板 |
| RFO | Roxette Fan Organization | Roxette风扇组织 |
| RFO | Request for Observation | 观察请求 |
| RFO | Responsible Facility Official | 负责设施官员 |
| RFO | Relief Flight Officer | 救援飞行官 |
| RFO | Reseau France Outre-Mer | 法国外联研究所 |
| RFO | Research Facilitation Office | 研究促进办公室 |
| RFO | Reserve Force Officer | 预备役军官 |
| RFO | Request For Opinion | 征求意见 |
| RFO | Regional Field Office (USACE) | 区域现场办公室（USACE） |
| RFO | Read For Ownership | 读取所有权 |
| RFO | Ready for Operations | 运行准备就绪 |
| RFO | Rudder Flutter Online | 方向舵颤振在线 |
| RFO | Request For Orders | 订单请求 |