| Acronym | Definition |
|---|
| FLL➣First Lego League (partnership between FIRST and the LEGO Company) |
| FLL➣Female Luer Lock |
| FLL➣Functional Leg Length (anatomy) |
| FLL➣Foreign Languages & Literatures (various schools) |
| FLL➣Flux Locked Loop |
| FLL➣Foxpro Link Library |
| FLL➣Fixed Loss Loop |
| FLL➣Faculty Liaison Librarian (various organizations) |
| FLL➣First-Line Leader |
| FLL➣Family Love Letter (estate planning document) |
| FLL➣Frequency Lock Loop (Datum) |
| FLL➣Flux Locked Loop (also see Phase Locked Loop, PLL) |
| FLL➣Fixed Loss Loop (modem information) |
| FLL➣Fountain of Love and Life (Chinese Catholic TV program) |
| FLL➣Full Load Level |
| FLL➣Fort Lauderdale, FL, USA - Fort Lauderdale/Hollywood International Apt (Airport Code) |