Márk Kosznovszky is a 24-year-old professional football player from HUN. He currently plays for Portsmouth, wearing the number 18 shirt. At the international level, he represents Hungary U21. He plays primarily as a Midfield. He stands at 177cm tall and weighs 66kg. His preferred foot is Right. His current market value is estimated at 1.3M €.

His most recent move was a Free from MTK Budapest to Portsmouth on 2025-07-25. The reported fee was 1.38M €.

Across 21 appearances in the English Football League Championship 2025-2026, Márk Kosznovszky registered 0 goals and 0 assists, while completing 11 key passes out of 227 total passes with a passing accuracy of 8.6.