C.H.I.X. is is a concept appearing different times in the C.H.I.X. universe. It may refer to:
- C.H.I.X. (series), an ongoing series centered around a gang of girls who call themselves C.H.I.X. using their initials, which is loosely based on Cornelia Funke's popular The Wild Chicks series
OR
- C.H.I.X., a fictional gang of four girls who name themselves C.H.I.X. after their initials (Charlie, Hannah, Izzie and Xa)