Jeon So-yeon, known mononymously as SOYEON, is a South Korean rapper and record producer under Cube Entertainment. She is the leader of the girl group i-dle, for whom she has written and produced most lead singles. She first gained attention for competing in the television shows Produce 101 and Unpretty Rapstar before debuting as a solo artist on November 5, 2017. In 2018, she joined SM Station X's girl group project Station Young, which released its debut song Wow Thing in September of that year. She has also portrayed the League of Legends character Akali in the virtual musical groups K/DA and True Damage. Soyeon was promoted to a full member of the Korea Music Copyright Association (KOMCA) on January 31, 2024.