Hong Si-hoo is a 26-year-old professional football player from KOR. He currently plays for Gimcheon Sangmu Football Club, wearing the number 42 shirt. He plays primarily as a Midfield. He stands at 175cm tall and weighs 65kg. His current market value is estimated at 175K .

His most recent move was a Loan from Gimcheon Sangmu Football Club to Incheon United Club on 2027-05-16.

Across 29 appearances in the Korean K League 1 2024, Hong Si-hoo registered 1 goals and 1 assists, while completing 5 key passes out of 486 total passes with a passing accuracy of 12.7.