Maeng Seong-ung is a professional footballer from KOR and is currently 29 years old. He is on the books of Jeonbuk Hyundai Motors and wears shirt number 6. His main role on the pitch is Midfield. He measures 183cm in height and weighs 70kg. His stronger foot is Right. His estimated market valuation currently stands at 500K €.

His latest transfer saw him join Jeonbuk Hyundai Motors from Gimcheon Sangmu Football Club via Loan on 2025-10-28.

Over 1 appearances in the Korean K League 1 2026, Maeng Seong-ung contributed 0 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.