| Competition: | Liga |
| Season: | 2003–04 |
| Winners: | Wisła Kraków 10th Ekstraklasa title 9th Polish title |
| Relegated: | Górnik Polkowice Lukullus Świt Nowy Dwór Mazowiecki Widzew Łódź |
| League Topscorer: | Maciej Żurawski (20 goals) |
| Average Attendance: | 5,492 6.8%[1] |
| Prevseason: | 2002–03 |
| Nextseason: | 2004–05 |
The 2003–04 Ekstraklasa is the 78th season of the Polish Football Championship and the 70th season of the Ekstraklasa, the top Polish professional league for association football clubs, since its establishment in 1927.
14 teams competed in the 2003-04 season. Wisła Kraków won the championship.
The matches were played on 19 and 26 June 2004.
