Heo Sol Ji (허솔지), better known as Solji, is a South Korean singer and dancer. She is best known for being a member of the girl group EXID and its sub-group Dasoni.
She is a former member of the ballad duo 2NB, with former Blady member, Gabin. They were active from 2006 until their disbandment in 2012.
She worked as EXID's vocal trainer before becoming a member in 2012.
In 2015, she became the first person to win MBC's King of Masked Singer.
On December 21, 2016, Solji was diagnosed with hyperthyroidism, she went on hiatus as an EXID member from her diagnosis until July 4, 2018, where she revealed she was well enough to prepare for EXID's next comeback.