{{wiktionary|FDK}} '''FDK''' may refer to:

* Fortress Division Kreta, temporary designation of 164th Infantry Division (Wehrmacht), a World War II German Army unit * Fraunhofer FDK AAC, an audio codec * Adobe Font Development Kit for OpenType, a set of tools for editing and verifying OpenType fonts * FDK Corporation, a manufacturer of batteries, majority belonging to Fujitsu * FDK, ICAO code for FlyDamas, a Syrian airline * FDK, IATA code for Frederick Municipal Airport (Maryland), in the US * "F.D.K. (Fearless Doctor Killers)", a song on the Mudhoney album ''My Brother the Cow'' * ''Fdk.'', abbreviation for the hybrid orchid genus ''Fredclarkeara'' * FDK, also refers to Firmware Development Kit in the Embedded System

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