| 1989 McDonald's Open | |
| League: | McDonald's Open |
| Sport: | Basketball |
| Duration: | 20–22 October |
| Top Scorer: |  Bob McAdoo (80 pts) |
| Finals Champ: | Denver Nuggets |
| Finals Runner-Up: | Jugoplastika |
| Finals Mvp: | Walter Davis |
| Seasonslistnames: | McDonald's Championship |
| Prevseason Link: | 1988 McDonald's Open |
| Prevseason Year: | 1988 McDonald's Open |
| Nextseason Year: | 1990 McDonald's Open |
| Nextseason Link: | 1990 McDonald's Open |
The 1989 McDonald's Open took place at PalaEUR in Rome, Italy.
| Club | Qualified as | |
|---|---|---|
| Jugoplastika | Champions of the 1988–89 FIBA European Champions Cup | |
 Philips Milano | Champions of the 1988–89 Serie A | |
 FC Barcelona Banca Catalana | Champions of the 1988–89 Liga ACB | |
| Denver Nuggets | Official guest from the NBA (13th place 1988-89 NBA season) |
All games were held at the PalaEUR in Rome, Italy.
| width=25 | Pos. | width=220 | Club | width=25 | Rec. |
|---|---|---|---|---|---|
| 2–0 | |||||
| 1–1 | |||||
| 1–1 | |||||
| 4th | 0–2 |