| Prevseason: | 2011–12 |
| Nextseason: | 2013–14 |
| Tauron Basket Liga1 | |
| Pixels: | 250 |
| T Bg: |
|
| T Color: | white |
| Champions: | Stelmet Zielona Góra 1st title |
| Runners Up: | PGE Turów Zgorzelec |
| Third Place: | AZS Koszalin |
| Fourth Place: | Anwil Włocławek |
| Teams: | 12 |
| Games: | 221 |
| Mvp: | Walter Hodge |
| Finals Mvp: |  Quinton Hosley |
| Top Scorer: |  Jakub Dłoniak |
| Ppg: | 20.1 |
| Rebounds Leader: |  Kim Adams |
| Rpg: | 9.0 |
| Assists Leader: | Frank Turner |
| Apg: | 6.3 |
| Highest Scoring: | Tony Weeden (39) |
| Highest Attendance: | Zielona Góra (av. 3,868)[1] |
| Lowest Attendance: | Start Gdynia (av. 319) |
| Extra Information: | 1 Sponsored league name, referring to Tauron. |
| Average Attendance: | 1,741 |
The 2012–13 Polish Basketball League – for sponsorship reasons Tauron Basket Liga – was the 79th season of the highest professional basketball league in Poland.[2]
Stelmet Zielona Góra won the Polish championship, the club beat PGE Turów Zgorzelec 4–0 in the Finals.
| rowspan=6 | Goes to Group 1| rowspan=6 | Goes to Group 2
| rowspan=6 | Qualifies for Playoffs
| rowspan=2 | Qualifies for Playoffs
Third place
| Team | Competition | Progress |
|---|---|---|
| Euroleague | Regular season | |
| Eurocup | Regular season | |
| Top 16 | ||