Wonder Girls () was a South Korean girl group and band formed by producer Park Jin-young under JYP Entertainment in 2006, which debuted in 2007. The group's final line-up consisted of Yubin, Yeeun, Sunmi and Hyerim. Members Sunye and Sohee officially left the group in 2015, while Hyuna left in late 2007. They were co-managed in the United States by Creative Artists Agency.