CIX (Hangul: 씨아이엑스, stylized as CIX) is a South Korean boyband formed by CJ ENM in 2019.

The group consists of five members; Bae Jin Young, Seunghun, Yonghee, Hyunsuk, and BX. They have released one EP titled Hello Chapter 1: Hello, Stranger, singles such as "Movie Star", "Numb3r1", and "Tiger Inside", remixes "X" and "Beautiful Stranger", OSTs for dramas, and multiple collaborations with artists.

The group is best known for their powerful performances and excellent teamwork performed onstage, making a strong impression and winning over fans since their debut.

CIX was nominated for several awards, including the Golden Disc Award and the Seoul Music Award, and has won the Rising Star Award, Best New Artist Award, and New Star Award at