Ji So-Yun is a 36-year-old professional football player from KOR. He currently plays for Birmingham Women, wearing the number 91 shirt. At the international level, he represents South Korea Women. He plays primarily as a Midfield. He stands at 161cm tall and weighs 50kg. His current market value is estimated at 135K .

His most recent move was a Free from Chelsea FC Women to Suwon FC Women on 2022-07-22.

Across 10 appearances in the English FA Women's Super League 2 2025-2026, Ji So-Yun registered 1 goals and 0 assists, while completing 19 key passes out of 455 total passes with a passing accuracy of 39.3.