Jacek Bąk, Polish footballer

Jacek Waldemar Bąk (Polish pronunciation: [ˈjatsɛɡ ˈbɔŋk]; born 24 March 1973) is a Polish former professional footballer who played as a central defender.

Other than his country, he competed in France, Qatar and Austria, notably appearing in more than 150 competitive games for Lyon and contributing to win the 2002 national championship.

Bąk represented Poland for 15 years, appearing for the nation in two World Cups and Euro 2008.