Golden Child (골든차일드) is a 10-member boy group under Woollim Entertainment. Originally with 11 members, they debuted on August 28, 2017 with their first mini album Gol-Cha!.
Six of the members were introduced through Woollim's W PROJECT which showcased their trainees through a series of releases. Joo Chan and trainee So Yoon released a collaboration single titled "No One Like You" on January 20, 2017. The following month, Jang Jun and Young Taek released the single "Drought". In March, Dae Yeol, Jae Seok, and Dong hyun were introduced as a performance unit.