| Acronym | Definition |
|---|
| FPO | Fleet Post Office |
| FPO | For Position Only (printing/desktop publishing) |
| FPO | Follow-On Public Offer (finance) |
| FPO | Formación Profesional Ocupacional (Spanish: Occupational Training Organization) |
| FPO | Flower Promotion Organization (alliance between Colombian and US flower growers) |
| FPO | Frame Pointer Omission (programming) |
| FPO | Field Post Office |
| FPO | Field Paint Only (paintball) |
| FPO | Fire Prevention Officer (US fire departments) |
| FPO | Fuel Purchase Option (rental car) |
| FPO | Floating Point Operation |
| FPO | Federal Preservation Officer |
| FPO | Force Protection Officer |
| FPO | Fully Paid Ordinary (Australian share-trading) |
| FPO | Fab PowerOps (software) |
| FPO | Flight Procedures Office (US FAA) |
| FPO | Field Purchase Order |
| FPO | Faciopalatoosseous Syndrome |
| FPO | Floor Plan Online |
| FPO | Fun Prevention Officer |
| FPO | Freiheitliche Partei Osterreichs |
| FPO | Field Personnel Orientation |
| FPO | Front Page Optimization (web click through rates) |
| FPO | Federal Protective Officer |
| FPO | Flexible Payment Option |
| FPO | Federal Prosecutor's Office |
| FPO | Federal Prosecuting Office |
| FPO | Field Project Office |
| FPO | Franciscans of Primitive Observance (religious order) |
| FPO | Freeport, Bahamas - Freeport International Airport (Airport Code) |
| FPO | Fast Physical Optics Algorithm |
| FPO | Fireworks Pyrotechnic Operator |
| FPO | Foodstuffs of Plant Origin |
| FPO | Forum of Pakistan Ombudsman (Pakistan) |
| FPO | For-Profit Organization |
| FPO | Fruit Products Order (India) |