The 1991 ACB International Tournament (9th Edition)- "8th 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 participation 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).
League stage Day 1, September 6, 1991
Day 2, September 7, 1991
Day 3, September 8, 1991
Final standings TeamPldPtsWLPFPAPD 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