Maeng Seong-ung is a 29-year-old professional football player from KOR. He currently plays for Jeonbuk Hyundai Motors, wearing the number 6 shirt. He plays primarily as a Midfield. He stands at 183cm tall and weighs 70kg. His current market value is estimated at 600K €.

His most recent move was a Loan from Gimcheon Sangmu Football Club to Jeonbuk Hyundai Motors on 2025-10-28.

Across 1 appearances in the Korean K League 1 2026, Maeng Seong-ung registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.