KFS

KFS may refer to:


 * CloudStore (previously Kosmosfs), Kosmix's C++ implementation of the Google File System
 * Kenya Ferry Services, operator of the Likoni Ferry service across Kilindini Harbour
 * Klippel–Feil syndrome, a rare congenital condition
 * Koç Financial Services, owner of the Turkish bank Koçbank
 * Kristeligt Forbund for Studerende, a Danish Christian student movement
 * "Krebsforschung Schweiz", the German name of the Swiss Cancer Research Foundation