Seo Ji-eum (; born December 15, 1986), is a South Korean lyricist and singer. She started getting recognition after writing the lyrics for Girls' Generation-TTS's "Twinkle" and f(x)'s "Electric Shock". She won the Lyricist of the Year Award at the 2018 Gaon Chart Music Awards. She released her debut single "Greenroom" on March 27, 2021. She has since written songs for various artists.
All songwriting credits are adapted from the Korea Music Copyright Association's database, unless otherwise noted.