1989 Italian Open (tennis)

The 1989 Italian Open was a tennis tournament played on outdoor clay courts at the Foro Italico in Rome in Italy that was part of the 1989 Nabisco Grand Prix and of the Category 5 tier of the 1989 WTA Tour. The men's tournament was held from 15 May through 21 May 1989, while the women's tournament was played from 8 May through 14 May 1989. Alberto Mancini and Gabriela Sabatini won the singles titles.

Men's singles
🇦🇷 Alberto Mancini defeated 🇺🇸 Andre Agassi 6–3, 4–6, 2–6, 7–6, 6–1
 * It was Mancini's 2nd title of the year and the 4th of his career.

Women's singles
🇦🇷 Gabriela Sabatini defeated 🇪🇸 Arantxa Sánchez Vicario 6–2, 5–7, 6–4
 * It was Sabatini's 3rd title of the year and the 21st of her career.

Men's doubles
🇺🇸 Jim Courier / 🇺🇸 Pete Sampras defeated 🇧🇷 Danilo Marcelino / 🇧🇷 Mauro Menezes 6–4, 6–3
 * It was Courier's 1st title of the year and the 1st of his career. It was Sampras' only title of the year and the 1st of his career.

Women's doubles
🇦🇺 Elizabeth Smylie / 🇦🇺 Janine Tremelling defeated Manon Bollegraf / 🇦🇷 Mercedes Paz 6–4, 6–3
 * It was Smylie's 4th title of the year and the 25th of her career. It was Tremelling's 2nd title of the year and the 4th of her career.