FHH
| Acronym | Definition |
|---|---|
| FHH | Familial Hypocalciuric Hypercalcemia (aka Familial Benign Hypercalcemia) |
| FHH | Fondation de la Haute Horlogerie (French; Swiss watch foundation) |
| FHH | Female-Headed Household |
| FHH | Federal Hill House (Providence, RI) |
| FHH | Franz Hitze Haus (German: Franz Hitze House; Catholic academy) |
| FHH | Freie Hansestadt Hamburg (German) |
| FHH | Fetal Heart Heard |
| FHH | Firehouse Hose |
| FHH | Financial Health Hazard |