2017–18 Ekstraklasa

The 2017–18 Ekstraklasa will be the 84th season of the Ekstraklasa, the top Polish professional league for association football clubs, since its establishment in 1927. The league is operated by the Ekstraklasa SA.

Each team plays a total of 30 matches, half at home and half away. After 30th round (in April 2018), league will be split into two groups: championship round (top eight teams) and relegation round (bottom eight teams). Each team will play 7 more games (1-4 and 9-12 teams will play four times at home), starting with half the points achieved during the first phase of 30 matches. So, finally each team played a total of 37 matches. This is the fifth season to take place since the new playoff/playout rule has been introduced.

Teams
Sixteen teams will compete in the league – the top fourteen teams from the previous season, as well as two teams promoted from the I liga. Sandecja Nowy Sącz were promoted to the Ekstraklasa for the first time.

Stadiums and locations

 * ''Note: Table lists in alphabetical order.


 * 1)  Sandecja Nowy Sącz will play their home games in Mielec until their home ground (Władysław Augustynek Stadium) fulfill license requirements.