CHI-CHI (치치) was a girl group under Trophy Entertainment. Originally a seven-member group, they debuted on March 18, 2011 with their first digital single Don't Play Around. The group's final lineup consisted of five members: Shine, Semi, Azi, and Sui.

On October 23, 2013, the group's choreographer, Reflexjun, posted a statement on Twitter that revealed the group had disbanded earlier that year.

Their name stood for 'Creative Electronic House Idols'. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.