The 2005–06 Ekstraklasa (also known as Orange Ekstraklasa due to its sponsorship by Orange Polska) started on 24 July 2005 and ended 13 May 2006. Legia Warsaw were crowned champions after ending Wisła Kraków's three season winning streak. This was Legia's first title since 2002.
^ a bAmica Wronki and Lech Poznań merged after the end of the season leaving Lech in the top division while Amica joined the third division as a feeder club for Lech.
