FYX, Fyx, or FYx may refer to:

FYx, classification for Fixed Data Processing/Computer Systems in military electronics of the United States Fyx, magician character in Circus World (novel) The Fyx, band which Faron's Flamingos member Dennis Swale worked with FYX, datapoint code for Fayi Xiazhai village, used for study of Southeastern Loloish languages FYX, Pinyin code for Fuyang West railway station (Anhui), China

See also