KFB can refer to:
Air Botnia O/Y, former name of Finnish airline Blue1; see List of defunct airlines of Finland Fukushima Broadcasting, in Fukushima, Japan Kaifeng North railway station, in Kaifeng, Henan Province, China KF Besëlidhja Prishtinë, former football club in Pristina, Kosovo KFB mode of a block cipher, in cryptography Knit front and back, knitting technique Kolami, Central Dravidian language of India Korean Franciscan Brotherhood, Franciscan community in Korea WKFB, a radio station in Jeannette, Pennsylvania, U.S.
See also Megan Jean and the KFB, American folk punk band