Hong Jeong-un is a 31-year-old professional football player from KOR. He plays primarily as a Defender. He stands at 187cm tall and weighs 76kg. His preferred foot is Right. His current market value is estimated at 200K €.

His most recent move was a Free from Daegu Football Club to Paju Frontier FC on 2026-01-16.

Throughout the Korean K League 2 2026, Hong Jeong-un featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.