The 1983–84 Czechoslovak Extraliga season was the 41st season of the Czechoslovak Extraliga, the top level of ice hockey in Czechoslovakia. 12 teams participated in the league, and Dukla Jihlava won the championship.
| Pl. | Team | GP | W | T | L | GF–GA | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1. | Dukla Jihlava | 44 | 29 | 7 | 8 | 196:109 | 65 | |
| 2. | 44 | 28 | 5 | 11 | 200:151 | 61 | ||
| 3. | Tesla Pardubice | 44 | 22 | 8 | 14 | 150:133 | 52 | |
| 4. | Sparta ČKD Prag | 44 | 19 | 11 | 14 | 141:146 | 49 | |
| 5. | Motor České Budějovice | 44 | 19 | 7 | 18 | 144:141 | 45 | |
| 6. | Dukla Trenčín | 44 | 19 | 6 | 19 | 153:143 | 44 | |
| 7. | VSŽ Košice | 44 | 19 | 4 | 21 | 176:174 | 42 | |
| 8. | Zetor Brno | 44 | 15 | 8 | 21 | 129:144 | 38 | |
| 9. | 44 | 14 | 7 | 23 | 147:176 | 35 | ||
| 10. | TJ Vítkovice | 44 | 14 | 6 | 24 | 143:201 | 34 | |
| 11. | 44 | 14 | 4 | 26 | 130:156 | 32 | ||
| 12. | TJ Škoda Plzeň | 44 | 13 | 5 | 26 | 136:171 | 32 |
| Pl. | Team | GP | W | T | L | GF–GA | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1. | TJ Škoda Plzeň | 4 | 3 | 0 | 1 | 14:14 | 6 | |
| 2. | Poldi SONP Kladno | 4 | 1 | 2 | 1 | 14:11 | 4 | |
| 3. | Plastika Nitra | 4 | 0 | 2 | 2 | 8:11 | 2 |