Native name: ชลนสร สัจจกุล
Also Known as: 손;สร
Nationality: Thai
Gender: Female
Born: November 18, 1996

Chonnasorn Sajakul better known by the mononym Sorn is a Thai singer based in South Korea. She is best known as the winner of K-Pop Star Hunt Season 1 in 2011, and later as a member of the South Korean girl group CLC under Cube Entertainment.