Melody Day (Hangul: 멜로디데이) was a South Korean girl group formed in 2012.
The group officially debuted with their single album Another Parting in February 2014 and with three members: Yeoeun, Chahee, and Yein. The fourth member, Yoomin was added to the group in October 2014.

On December 26, 2018, it was confirmed that all four members decided to not renew their contracts with Cre.ker Entertainment, ultimately ending the group.