Kim Sae-ron was a South Korean actress. She began her career as a child actress at the age of nine and became popular through the films A Brand New Life and The Man From Nowhere. As Kim reached her teenage years, she was cast in more leading roles, notably in films such as A Girl at My Door, Snow Road, and Barbie.

On February 16, 2025, Kim's body was found by a friend in her home in Seongsu-dong, Seongdong District, Seoul. Her death was ruled as a suicide by police officials.