KFN or kfn could refer to:

.kfn, a file extension Kennisbank Filosofie Nederland, precursor to the Dutch philosophy database Repertorium der Nederlandse Wijsbegeerte Kemi Filani News, Nigerian online news publication Kluane First Nation, a First Nations band in Yukon, Canada Kolfanite, a mineral; see List of mineral symbols Kʼómoks First Nation, a First Nations band in British Columbia, Canada Korfball Federation of Nepal; see List of national korfball associations Kuk language, Grassfields Bantu language of Cameroon