DIA, backronym for Do It Amazing, is a South Korean girl group formed by MBK Entertainment. The group is currently composed of six members: Eunice, Jueun, Huihyeon, Yebin, Chaeyeon and Eunchae. DIA officially debuted on September 14, 2015, with their lead single “Somehow” from debut album Do It Amazing.

Seunghee left the group in April 2016 to focus on acting. Eunjin decided to leave the group In May 2018 to focus on her health. Jenny also left the group in July 2019 for health issues. Somyi departed the group in January 2022 after deciding to terminate her exclusive contract. The group is currently on indefinite hiatus to focus on their solo activities.