| Acronym | Definition |
|---|
| RFO➣Range Forest Officer (India) |
| RFO➣Ready for Occupancy |
| RFO➣Refueling Outage (nuclear power) |
| RFO➣Réseau France Outre-Mer (French: French Overseas Network) |
| RFO➣Request for Offer |
| RFO➣Republicans for Obama |
| RFO➣Rising Force Online (massive multiplayer online game) |
| RFO➣Robert Ferguson Observatory (California) |
| RFO➣Residual Fuel Oil |
| RFO➣Regularly Funded Organisation (UK) |
| RFO➣Reason For Outage |
| RFO➣Request For Orders |
| RFO➣Radio France Outremer (French: Overseas France Radio) |
| RFO➣Recovery Field Office (USACE) |
| RFO➣Recycled Fuel Oil |
| RFO➣River Flood Outlook (various organizations) |
| RFO➣Retained Foreign Object (healthcare) |
| RFO➣Ready for Operations |
| RFO➣Responsible Finance Officer (UK) |
| RFO➣Regional Field Office (USACE) |
| RFO➣Residual Frequency Offset |
| RFO➣Restrictive Flow Orifice |
| RFO➣Radio Flash Online |
| RFO➣Reading Festival Online |
| RFO➣Risk Factor Obesity (weight management program; University of California, Los Angeles) |
| RFO➣Responsible Federal Official |
| RFO➣Right Foot Only (dance game) |
| RFO➣Request for Observation |
| RFO➣Right Forward Outside Edge (ice skates) |
| RFO➣Radio Frequency Oscillator |
| RFO➣Remote Foreign Office |
| RFO➣Reconfigurable Fusion Objects |
| RFO➣Reserve Force Officer |
| RFO➣Runners Feeding Others (Ohio) |
| RFO➣Rocky Flats (Operations) Office (Department Of Energy) |
| RFO➣Relative Frequency Offset |
| RFO➣Refined Furnace Oil |
| RFO➣Request for Outsourcing |
| RFO➣Richard Friis-Olsen (UK medical supplies company) |
| RFO➣Relief Flight Officer |
| RFO➣Revue des Facultés Catholiques de l'Ouest |