1970–71 Ekstraklasa
| Season | 1970–71 |
|---|---|
| Dates | 8 August 1970 – 23 June 1971 |
| Champions | Górnik Zabrze (9th title) |
| Relegated | ROW Rybnik GKS Katowice |
| European Cup | Górnik Zabrze |
| Cup Winners' Cup | Zagłębie Sosnowiec |
| UEFA Cup | Legia Warsaw Zagłębie Wałbrzych |
| Matches played | 182 |
| Goals scored | 395 (2.17 per match) |
| Top goalscorer | Andrzej Jarosik (13 goals) |
| Biggest home win | Ruch 6–0 Pogoń Stal Rz. 6–0 Wisła |
| Biggest away win | Pogoń 0–4 Legia |
| Highest scoring | Górnik 4–3 Szombierki Stal M. 5–2 Wisła |
| Highest attendance | 60,000 |
| Total attendance | 1,984,710 |
| Average attendance | 10,905 7.0% |
← 1969–70 1971–72 → | |
The 1970–71 I liga was the 45th season of the Polish Football Championship and the 37th season of the I liga, the top Polish professional league for association football clubs, since its establishment in 1927. The league was operated by the Polish Football Association (PZPN).
The champions were Górnik Zabrze, who won their 9th Polish title.