Jagiellonia Białystok (Polish pronunciation: [jaɡʲɛˈlɔɲa bʲaˈwɨstɔk]) is a Polishfootball club, based in Białystok, that plays in Ekstraklasa. It was also played Ekstraklasa, top level of Polish football between 1987 and 1990 and 1992-93 season. It was finally returned to top level in 2007. It was also played in Liga I, second level of Polish football during periods of 1975-1978, 1980-1981, 1983-1987, 1990-1992, 1993-1996, 2001–2002 and 2003-2007.
Founded in 1920, Jagiellonia plays home games at Białystok City Stadium. The club won the Polish Cup in 2010, Super Cup and qualified to play in the third round qualification of the UEFA Europa League. It was the club's first appearance in the European cup, making it the team's most successful season before finishing Ekstraklasa as 4th in 2010–11 season. The new 22,409 seat stadium is expected to be completed by the end of 2015.
This list of former players includes those who received international caps while playing for the team, made significant contributions to the team in terms of appearances or goals while playing for the team, or who made significant contributions to the sport either before they played for the team, or after they left. It is clearly not yet complete and all inclusive, and additions and refinements will continue to be made over time.