Jan Leszczynski is a 19-year-old professional football player from POL. He currently plays for Borussia Monchengladbach, wearing the number 5 shirt. He plays primarily as a Midfield. He stands at 184cm tall and weighs 79kg. His preferred foot is Both. His current market value is estimated at 600K €.

His most recent move was a Free from Legia Warszawa to Borussia Monchengladbach on 2026-07-01. The reported fee was 3M €.