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.
See main article: 1989 Stella Artois Indoor – Singles. Boris Becker defeated Alexander Volkov 6–1, 6–2
See main article: 1989 Stella Artois Indoor – Doubles. Jakob Hlasek / John McEnroe defeated Heinz Günthardt / Balázs Taróczy 6–3, 6–4