The 2022–23 I liga (also known as Fortuna I liga due to sponsorship reasons)[7] is the 75th season of the second tier domestic division in the Polish football league system since its establishment in 1949 and the 15th season of the Polish I liga under its current title.

A total of 18 teams participate, 12 of which competed in the league campaign during the previous season, while three to be relegated from the 2021–22 Ekstraklasa and the remaining three to be promoted from the 2021–22 II liga.

A total of 18 teams participate in the 2022–23 I liga season.

The winner of final match will be promoted to the Ekstraklasa for next season.

All matches will be played in a stadiums of team which occupied higher position in regular season.