| FHL | F*** His Life 
| Others |
| FHL | Facial Hair League
| Others |
| FHL | Faith Hope and Love
| Others |
| FHL | Faith Hope Love
| Others |
| FHL | Faith, Hope, Love
| Others |
| FHL | Familial hemophagocytic lymphohistiocytosis
| Others |
| FHL | Familial Hemophagocytic Lymphohistocytosis
| Others |
| FHL | Family Health Leave
| Others |
| FHL | Family Heritage Life
| Others |
| FHL | Family History Library
| Others |
| FHL | Fantasy Hockey League
| Others |
| FHL | Fattey Hockey League
| Others |
| FHL | Federal Hockey League
| Others |
| FHL | Federal Home Loan
| Others |
| FHL | Feed His Lambs
| Others |
| FHL | Feline Hepatic Lipidosis
| Others |
| FHL | Fijian Holdings Limited
| Others |
| FHL | Fijian Holdings, LTD.
| Others |
| FHL | Finite Height Language
| Others |
| FHL | First Hosted Limited
| Others |
| FHL | Flax Hull Lignan
| Others |
| FHL | Flexor Hallucis Longus
| Others |
| FHL | Formate Hydrogen Lyase
| Others |
| FHL | Fort Hunter Liggett
| Others |
| FHL | Foster Health Link
| Others |
| FHL | Foundation for Higher Learning
| Others |
| FHL | Foundation for Historical Louisiana
| Others |
| FHL | Franklin, Hou, and Leavitt
| Others |
| FHL | Fraser's Hill Ltd
| Others |
| FHL | Friday Harbor Laboratories
| Others |
| FHL | Friday Harbor Labs
| Others |
| FHL | Friday Harbor Library
| Others |
| FHL | Functional Hearing Loss
| Others |
| FHL | Functional Herd Life
| Others |
| FHL | Funny Hilarious Laughter
| Others |
| FHL | Furnished Holiday Let
| Others |
| FHL | Futu Holdings Limited
| Others |
| FHL | Future Healthcare Leaders
| Others |
| FHL | The Foot Hockey League
| Others |