Found 5 full forms for HFLL
| Term | Full Form | Category |
|---|---|---|
| HFLL | Half-Filled Landau Level 
| Others |
| HFLL | Hamilton Fairfield Little League
| Others |
| HFLL | Hawaii Family Leave Law
| Others |
| HFLL | Hemosiderotic fibrohistiocytic lipomatous lesion
| Others |
| HFLL | Hudson Falls Little League
| Others |