Koo Chae-hyeon is a 26-year-old professional football player from KOR. At the international level, he represents Korea Rep Women U19. He plays primarily as a Defender. He stands at 166cm tall and weighs 55kg.

Throughout the EAFF E-1 Women's Football Championship 2025, Koo Chae-hyeon featured in 3 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.