Nine Muses (Korean: 나인뮤지스, often stylized as 9Muses) was a South Korean girl group formed by Star Empire Entertainment in 2010 with an admission and graduation concept. The group consists of total of fourteen former members: Jaekyung, Bini, Rana, Lee Sem, Sera, Eunji, Euaerin, Minha, Hyuna, Sungah, Gyeongree, Hyemi, Sojin, and Keumjo.

Following an unsuccessful debut with the single "No Playboy," the group's line-up changed with the release of the comeback single, "Figaro", which reached the Top 100 Billboard Charts. Then the group's single, "News", and its EP, Sweet Rendezvous, both earned a peak popularity position of six, and with additional new members the group came back with follow-up albums Wild, Dolls, Prima Donna and their digital single "Glue" which ranked at number four and nine.

After a year-long hiatus in 2014, the group came back with a new line-up on its 2015 album Drama that January. Later releases included 9Muses S/S Edition and Lost. The group disbanded in February 2019 following the contract expirations of three former members, Sojin, Hyemi and Keumjo.