1970–71 Czechoslovak Extraliga season
The 1970–71 Czechoslovak Extraliga season was the 28th season of the Czechoslovak Extraliga, the top level of ice hockey in Czechoslovakia. 10 teams participated in the league, and Dukla Jihlava won the championship.Regular season
Playoffs
Semifinals
- * SONP Kladno – ZKL Brno 4:1
- * ZKL Brno – SONP Kladno 5:1
- * SONP Kladno – ZKL Brno 5:3
- * SONP Kladno – ZKL Brno 1:0
- * ZKL Brno – SONP Kladno 4:0
- * ZKL Brno – SONP Kladno 5:1
- * ZKL Brno – SONP Kladno 2:1
- * Slovan CHZJD Bratislava – Dukla Jihlava 4:5
- * Dukla Jihlava – Slovan CHZJD Bratislava 5:4
- * Slovan CHZJD Bratislava – Dukla Jihlava 3:2
- * Slovan CHZJD Bratislava – Dukla Jihlava 0:1 OT
- * Dukla Jihlava – Slovan CHZJD Bratislava 5:1
- * SONP Kladno – Slovan CHZJD Bratislava 2:6
- * Slovan CHZJD Bratislava – SONP Kladno 4:3
Final
- * Dukla Jihlava – ZKL Brno 5:3
- * Dukla Jihlava – ZKL Brno 6:5 OT
- * ZKL Brno – Dukla Jihlava 0:1
1. Liga-Qualification