Kim In-Sung is a professional footballer from KOR and is currently 37 years old. He is on the books of Pohang Steelers and wears shirt number 7. His main role on the pitch is Forward. He measures 180cm in height and weighs 74kg. His stronger foot is Right. His estimated market valuation currently stands at 250K €.

His latest transfer saw him join Pohang Steelers from Seoul E-Land FC via Free on 2023-01-03.

During the Korean K League 1 2025 campaign, Kim In-Sung made 36 appearances, scoring 3 goals and adding 2 assists. He averaged 0.1 goals per match from 19 shots, with 11 on target.