Choi Ji-woo (; born November 25, 1997), known mononymously as Ji Woo, is a South Korean actress. She started her career as a child actress with her debut movie Villain and Widow in 2010.
She attended Morak Middle School.
In 2017, she was an honorary ambassador of the 9th DMZ International Documentary Film Festival alongside Cho Jin-woong.
In June 2019, Ji Woo signed with new agency King Kong by Starship.
In November 2022, Ji Woo signed with Hicon Entertainment.