I Liga (basketball)
| Organising body | Polish Basketball Association |
|---|---|
| Founded | 1954 |
| First season | 1954–55 |
| Country | Poland |
| Confederation | FIBA Europe |
| Number of teams | 18 |
| Level on pyramid | 2 |
| Promotion to | Polish Basketball League |
| Relegation to | II Liga |
| Current champions | Miasto Szkła Krosno (2nd title) (2024–25) |
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The I Liga (English: First League), officially known as the Bank Pekao S.A. I Liga due to its sponsorship by Bank Pekao, 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 1954–55 season.