| 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 |