1. Fußball-Club Kaiserslautern e. V., also known as 1. FCK, FCK or 1. FC Kaiserslautern (German pronunciation: [ʔɛf t͡seː kaɪ̯zɐsˈlaʊ̯tɐn]), is a German sports club based in Kaiserslautern, Rhineland-Palatinate. In addition to football, the club also operates in several other sports.