Ciipher (싸이퍼) is a South Korean boy group under RAIN Company. The group debuted with the members Hyunbin, Hwi, Keita, Tan, Tag, Dohwan, and Won.

They made their debut on March 16, 2021, with their first mini album "I Like You". On August 3, 2023, Keita was announced as a member of the group EVNNE, formed through the reality show Boys Planet, which debuted on September 18, 2023. On August 9, 2023, RAIN Company confirmed that Tan, Tag, Dohwan, and Won had decided to leave Ciipher, and the group would reorganize with a new lineup.