The 1991 IX ACB International Tournament "VIII Memorial Héctor Quiroga" was the 9th semi-official edition of the European Basketball Club Super Cup. It took place at Pabellón Municipal de Puerto Real, Puerto Real, Spain, on 6, 7 and 8 September 1991 with the participations of Slobodna Dalmacija (champions of the 1990–91 FIBA European Champions Cup), FC Barcelona Banca Catalana (runners-up of the 1990–91 FIBA European Champions Cup), Montigalà Joventut (champions of the 1990–91 Liga ACB) and Maccabi Elite Tel Aviv (champions of the 1990–91 Premier League).
| 1991 IX ACB International Tournament "VIII Memorial Héctor Quiroga" | |
|---|---|
| Sport | Basketball |
| Finals champions |  Maccabi Elite Tel Aviv |
| Runners-up |  Montigalà Joventut |
League stage edit
Day 1, September 6, 1991
| Team 1 | Score | Team 2 |
|---|---|---|
| Montigalà Joventut
|
75–73 |  Slobodna Dalmacija
|
| FC Barcelona Banca Catalana
|
64–77 | Maccabi Elite Tel Aviv
|
Day 2, September 7, 1991
| Team 1 | Score | Team 2 |
|---|---|---|
| Montigalà Joventut
|
77–71 | FC Barcelona Banca Catalana
|
| Slobodna Dalmacija
|
71–99 | Maccabi Elite Tel Aviv
|
Day 3, September 8, 1991
| Team 1 | Score | Team 2 |
|---|---|---|
| FC Barcelona Banca Catalana
|
68–65 | Slobodna Dalmacija
|
| Montigalà Joventut
|
74–83 | Maccabi Elite Tel Aviv
|
Final standings edit
| Team | Pld | Pts | W | L | PF | PA | PD | |
|---|---|---|---|---|---|---|---|---|
| 1. | Maccabi Elite Tel Aviv
|
3 | 6 | 3 | 0 | 259 | 209 | +50 |
| 2. | Montigalà Joventut
|
3 | 5 | 2 | 1 | 226 | 227 | –1 |
| 3. | FC Barcelona Banca Catalana
|
3 | 4 | 1 | 2 | 203 | 219 | –16 |
| 4. | Slobodna Dalmacija
|
3 | 3 | 0 | 3 | 209 | 242 | –33 |
| 1991 IX ACB International Tournament "VIII Memorial Héctor Quiroga" Champions |
|---|
 Maccabi Elite Tel Aviv 1st title |