FCK

FCK may refer to:

• A short form for fuck, an English-language profanity
• F.C. Copenhagen (Danish: {{lang|da|F.C. København}}), a Danish football club
• 1. FC Kaiserslautern, a German football club
• FC Koper, a Slovenian football club
• Furnace Creek Airport, near Death Valley, California, United States
• FCK (print ad), an award-winning ad for KFC UK
• Flat-chested kitten syndrome, a feline disorder

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