Xu Dongdong is a 24-year-old professional football player from CHN. He currently plays for Dalian K'un City, wearing the number 18 shirt. He plays primarily as a Defender. He stands at 173cm tall and weighs 60kg. His current market value is estimated at 75K €.

His most recent move was a from Shaanxi Union to Dalian K'un City on 2026-02-10.

Throughout the Chinese Football League 1 2025, Xu Dongdong featured in 29 matches, averaging 1 tackles, 0.4 interceptions, and 0.8 clearances per game, while blocking 0 shots per game.