FHO
| Acronym | Definition |
|---|---|
| FHO | Fundação Herminio Ometto (Brazilian foundation) |
| FHO | Field Hockey Ontario (Canada) |
| FHO | Fremde Heere Ost (German Intelligence Evaluation Service, Eastern Section, WWII) |
| FHO | Femoral Head Osteotomy |
| FHO | Flood Hazard Overlay (zoning district) |
| FHO | Foundation House Officer (medical practitioner; UK) |
| FHO | Force Hygiene Officer |
| FHO | Femoral Head Osteonecrosis |