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]
← 1988 · Milan Indoor · 1990 →

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.

Finals

Singles

Boris Becker defeated Alexander Volkov 6–1, 6–2

• It was Becker's 1st singles title of the year and the 20th of his career.

Doubles

Jakob Hlasek / John McEnroe defeated Heinz Günthardt / Balázs Taróczy 6–3, 6–4

• It was Hlasek's 2nd title of the year and the 8th of his career. It was McEnroe's 1st title of the year and the 137th of his career.