The 1977–78 Czechoslovak Extraliga season was the 35th season of the Czechoslovak Extraliga, the top level of ice hockey in Czechoslovakia. 12 teams participated in the league, and Poldi SONP Kladno won the championship.
| Pl. | Team | GP | W | T | L | GF–GA | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1. | Poldi SONP Kladno | 44 | 28 | 7 | 9 | 182:117 | 63 | |
| 2. | 44 | 28 | 3 | 13 | 185:125 | 59 | ||
| 3. | Spartak ČKD Prag | 44 | 25 | 8 | 11 | 144:111 | 58 | |
| 4. | TJ Vítkovice | 44 | 25 | 4 | 15 | 189:147 | 54 | |
| 5. | Dukla Jihlava | 44 | 22 | 9 | 13 | 150:116 | 53 | |
| 6. | Motor České Budějovice | 44 | 19 | 8 | 17 | 175:164 | 46 | |
| 7. | Tesla Pardubice | 44 | 14 | 11 | 19 | 127:131 | 39 | |
| 8. | Slovan CHZJD Bratislava | 44 | 16 | 6 | 22 | 151:159 | 38 | |
| 9. | 44 | 10 | 10 | 24 | 115:160 | 30 | ||
| 10. | VSŽ Košice | 44 | 13 | 4 | 27 | 138:212 | 30 | |
| 11. | 44 | 14 | 1 | 29 | 111:164 | 29 | ||
| 12. | TJ Škoda Plzeň | 44 | 11 | 7 | 26 | 125:186 | 29 |