KFS may refer to: Businesses Kalitta Charters, ICAO code Kenya Ferry Services, operator of the Likoni Ferry service Koç Financial Services, owner of the Turkish bank Koçbank
Medicine Klippel–Feil syndrome, a rare congenital condition Swiss Cancer Research (), a non-profit
Other uses CloudStore (formerly Kosmosfs), a C++ implementation of Google File System Kristeligt Forbund for Studerende, a Danish Christian student movement