| Sport | Basketball |
|---|---|
| Founded | 1995 |
| No. of teams | 16 |
| Country |
|
| Confederation | FIBA Europe |
| Most recent champion(s) |
Legia Warsaw (1st title) |
| Level on pyramid | 2 |
| Promotion to | Polish Basketball League |
| Relegation to | II Liga |
The I Liga is the second-tier level league of basketball in Poland. It is organised by the Polish Basketball Association. Teams that win the championship have the option to be promoted to the first-tier level Polish Basketball League (PLK). The first I Liga season was held in the 1995–96 season.