Marek Zając (born September 17, 1973) is a Polish professional football manager and former player. A versatile defender, he experienced considerable success with Wisła Kraków before moving to Turkey to play for Süper Lig sides Denizlispor and A. Sebatspor until he joined Chinese side Shenzhen Jianlibao and became a prominent figure within the team for five seasons.

Marek Zając previously played for Cracovia and Hutnik Kraków before he moved to Polish powerhouse Wisła Kraków where he experienced considerable success by winning two league titles and a call up to his national team. This saw Turkish side Denizlispor interested with his services and Zając moved to them during the 2001-02 season, however he only played in ten league games before returning to Poland with Zagłębie Lubin the following season.^[1] With another chance to play in the Süper Lig Marek Zając joined Akçaabat Sebatspor in the 2003-04 season where he stayed for one season.

Halfway through the 2004 Chinese league season Zając moved to Shenzhen Jianlibao to help them in their push for the league title. Achieving this he remained with the team for the next five seasons despite the exit of most of their top stars and manager, however when he finally left the team at the end of the 2008 league season he became the team's longest serving foreigner. Zając remained in China and joined second tier side Liaoning Hongyun at the beginning of the 2009 league season and helped the team win the division title.

Zając made two appearances for the Poland national team.^[2]

Wisła Kraków

• Ekstraklasa: 1998–99, 2000–01
• Polish Cup: 2001–02
• Polish League Cup: 2000–01
• Polish Super Cup: 2001

Shenzhen Shangqingyin

• Chinese Super League: 2004

Liaoning Hongyun

• China League One: 2009^[3]