| Acronym | Definition |
|---|
| FHL | Family History Library (LDS Church) |
| FHL | Filipinas Heritage Library (Philippines) |
| FHL | Fédération des Hôpitaux Luxembourgeois (French: Luxembourg Hospitals Federation) |
| FHL | Fort Hunter Liggett (US Army) |
| FHL | Fiskeri-og Havbruksnæringens Landsforening (Norwegian: Norwegian Seafood Federation) |
| FHL | Friends of the High Line (New York) |
| FHL | Federal Home Loan Bank |
| FHL | Flexor Hallucis Longus |
| FHL | Fantasy Hockey League |
| FHL | Faith, Hope, Love |
| FHL | Friday Harbor Laboratories (Washington) |
| FHL | Front Helvétique de Libièration (French: Swiss Liberation Front) |
| FHL | Feline Hepatic Lipidosis (cat disease) |
| FHL | Ferret Health List |
| FHL | Fournitures Hôtelières Limousines (French: Hotel Limousine Supplies) |
| FHL | Flax Hull Lignan (food supplement) |
| FHL | Florida Handball League (est. 2009) |
| FHL | Front Head Lock (wrestling maneuver) |
| FHL | Familial Hemophagocytic Lymphohistocytosis |
| FHL | Family Health Leave |