1969–70 Ekstraklasa
| Season | 1969–70 |
|---|---|
| Dates | 9 August 1969 – 21 June 1970 |
| Champions | Legia Warsaw (4th title) |
| Relegated | Odra Opole Cracovia |
| European Cup | Legia Warsaw |
| Cup Winners' Cup | Górnik Zabrze |
| Inter-Cities Fairs Cup | Ruch Chorzów GKS Katowice |
| Matches played | 182 |
| Goals scored | 382 (2.1 per match) |
| Top goalscorer | Andrzej Jarosik (18 goals) |
| Biggest home win | Zagłębie S. 6–1 Pogoń Stal 6–1 Odra Ruch 5–0 Wisła |
| Biggest away win | Zagłębie W. 0–4 GKS Odra 0–4 Legia |
| Highest scoring | Szombierki 3–5 Zagłębie S. |
| Highest attendance | 40,000 Ruch 1–1 Górnik (11 March 1970) |
| Total attendance | 1,854,944 |
| Average attendance | 10,192 |
← 1968–69 1970–71 → | |
The 1969–70 I liga was the 44th season of the Polish Football Championship and the 36th 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 defending champions were Legia Warsaw, who won their 4th Polish title.