Jacek Marek Zieliński (Polish pronunciation: [ˈjat͡sɛk ˈmarɛk ʑɛˈʎiɲskʲi]; born 10 October 1967) is a Polish football executive, former professional manager and player who played as a defender. He is currently an advisor of Legia Warsaw's board, and was the club's sporting director from December 2021 to December 2024.
In 1999, he won the Polish Footballer of the Year title. He used to work as an assistant manager of the Poland national team.
Born in Wierzbica, Radom County, Zieliński spent most of his career playing for Legia Warsaw. He played in the quarterfinal of the 1995–96 UEFA Champions League.
Zieliński played for the Poland national team. He made 60 appearances and scored one goal and was a participant at the 2002 FIFA World Cup.
Scores and results list Poland's goal tally first, score column indicates score after each Zieliński goal.
Ekstraklasa: 1993–94, 1994–95, 2001–02
Polish Cup: 1993–94, 1994–95, 1996–97
Piłka Nożna Polish Footballer of the Year: 1999
Jacek Zieliński at 90minut.pl (in Polish)