Winter Sonata (Hangul: 겨울연가; RR: Gyeoul Yeonga; also known as Winter Love Story, Winter Love Song or Winter Ballad) is a South Korean television drama series that aired on KBS2 in 2002. Starring Bae Yong-joon and Choi Ji-woo, it is the second part of the season-themed Endless Love series directed by Yoon Seok-ho. Filming primarily took place on the resort island of Namiseom and Seoul.
The series is widely considered to be the Korean drama that launched the Korean Wave throughout Asia and worldwide. It has also been adapted into an anime series and a stage musical.