The 1988–89 European Cup was the 24th edition of the European Cup, IIHF's premier European club ice hockey tournament. The season started on October 2, 1988, and finished on February 19, 1989.
The tournament was won by CSKA Moscow, who won the final group.
| width=22% | Team #1 | width=11% | Score | width=22% | Team #2 |
|---|---|---|---|---|---|
| 5:6, 1:5 | HK Jesenice | ||||
| 6:8, 9:10 |  Újpesti TE |
(Esbjerg, Denmark)
| width=22% | Team #1 | width=11% | Score | width=22% | Team #2 |
|---|---|---|---|---|---|
| 11:1 | Dynamo Berlin | ||||
| 2:4 | Újpesti TE | ||||
| 23:2 | Újpesti TE | ||||
| 3:8 | Dynamo Berlin | ||||
| 7:3 | Újpesti TE | ||||
| 1:21 | CSKA Moscow |
| Rank | Team | Points | |
| 1 | CSKA Moscow | 6 | |
|---|---|---|---|
| 2 | Dynamo Berlin | 4 | |
| 3 | Újpesti TE | 2 | |
| 4 | Esbjerg IK | 0 |
| width=22% | Team #1 | width=11% | Score | width=22% | Team #2 |
|---|---|---|---|---|---|
| 8:2 |  HC Steaua București | ||||
Spitman Nijmegen  | 7:2 |  Vålerenga IF | |||
| 7:1 | Vålerenga IF | ||||
| Spitman Nijmegen | 3:2 | HC Steaua București | |||
| HC Steaua București | 6:5 | ||||
| Spitman Nijmegen | 3:14 | TJ VSŽ Košice |
| Rank | Team | Points | |
| 1 | TJ VSŽ Košice | 6 | |
|---|---|---|---|
| 2 | Spitman Nijmegen | 4 | |
| 3 | HC Steaua București | 2 | |
| 4 | Vålerenga IF | 0 |
(Klagenfurt, Carinthia, Austria)
| width=22% | Team #1 | width=11% | Score | width=22% | Team #2 |
|---|---|---|---|---|---|
EC KAC  | 5:2 |  Mont-Blanc | |||
Färjestads BK  | 4:0 |  TMH Polonia Bytom | |||
| Färjestads BK | 13:1 | Mont-Blanc | |||
| EC KAC | 5:6 | TMH Polonia Bytom | |||
| TMH Polonia Bytom | 7:5 | Mont-Blanc | |||
| EC KAC | 2:6 |
| Rank | Team | Points | |
| 1 | Färjestads BK | 6 | |
|---|---|---|---|
| 2 | TMH Polonia Bytom | 4 | |
| 3 | EC KAC | 2 | |
| 4 | Mont-Blanc | 0 |
(Lugano, Ticino, Switzerland)
| width=22% | Team #1 | width=11% | Score | width=22% | Team #2 |
|---|---|---|---|---|---|
| 6:1 | HK Jesenice | ||||
| 3:2 | |||||
| 8:0 | HK Jesenice | ||||
| 10:1 |  HC Bolzano | ||||
| HC Bolzano | 6:2 | HK Jesenice | |||
| 3:4 | Kölner EC |
| Rank | Team | Points | |
| 1 | Kölner EC | 6 | |
|---|---|---|---|
| 2 | HC Lugano | 4 | |
| 3 | HC Bolzano | 2 | |
| 4 | 0 |
(Cologne, North Rhine-Westphalia, West Germany)
| width=22% | Team #1 | width=11% | Score | width=22% | Team #2 |
|---|---|---|---|---|---|
| Färjestads BK | 4:3 | CSKA Moscow | |||
| 3:5 | TJ VSŽ Košice | ||||
| 7:3 | Färjestads BK | ||||
| 6:2 | TJ VSŽ Košice | ||||
| 1:9 | CSKA Moscow | ||||
| 4:3 | Färjestads BK |
| Rank | Team | Points | |
| 1 | CSKA Moscow | 4 | |
|---|---|---|---|
| 2 | TJ VSŽ Košice | 4 | |
| 3 | Kölner EC | 2 | |
| 4 | Färjestads BK | 2 |