Wikipedia
FDL
FDL may refer to:
- Federation of Liberals (Italian: ), an Italian political party
- Firedoglake, a defunct political blog
- Fleur-de-lis (disambiguation)
- Flexor digitorum longus muscle
- Florida Democratic League, an American political advocacy group
- Fond du Lac (disambiguation)
- Fossa dei Leoni, an Italian football supporters organisation
- Four Door Lemon, a British video game developer
- GE FDL, a series of diesel engines
- GNU Free Documentation License
- United States Air Force Flight Dynamics Laboratory