| 1989 Stella Artois Indoor | |
|---|---|
| Date | 13–19 February |
| Edition | 12th |
| Category | Grand Prix (Super Series) |
| Draw | 32S / 16D |
| Prize money | $375,000 |
| Surface | Carpet / indoor |
| Location | Milan, Italy |
| Venue | Palatrussardi |
| Champions | |
| Singles | |
 Boris Becker[1] | |
| Doubles | |
 Jakob Hlasek /  John McEnroe[2] | |
The 1989 Stella Artois Indoor was a men's tennis tournament played on indoor carpet courts at the Palatrussardi in Milan, Italy that was part of the Super Series of the 1989 Nabisco Grand Prix. The tournament was held from 13 February through 19 February 1989. Boris Becker won the singles title.
- ^ "1989 Milan – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1989 Milan – Doubles draw". Association of Tennis Professionals (ATP).