FDL

FDL may refer to:

• Fast Deployment Logistics Ship (FDL), U.S. Navy shipbuilding program of the middle 1960s, eventually cancelled (see USNS Lynn (T-AG-182)).
• Federation of Liberals (Italian: {{lang|it|Federazione dei Liberali}}), an Italian political party
• Federal Depository Library, a library in the Federal Depository Library Program
• File Definition Language - used to describe the structure of a Record Management Services file in the OpenVMS operating system.
• Firebase Dynamic Links, smart URLs that link to any location within iOS, Android or web apps
• 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
• Fonds de Dotation du Libre - Libre Endowment Fund (FDL), French fund to support developers and publishers of Free and Open Source software projects
• GE FDL, a series of diesel engines
• GNU Free Documentation License
• United States Air Force Flight Dynamics Laboratory

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