The 1985 Italian Open was a tennis tournament played on outdoor clay courts at the Foro Italico in Rome in Italy that was part of the 1985 Nabisco Grand Prix and of 1985 Virginia Slims World Championship Series.

The men's tournament was held from 13 May through 18 May 1985, while the women's tournament was held from 28 April through 5 May 1985.

Yannick Noah and Raffaella Reggi won the singles titles.

[3] Yannick Noah defeated Miloslav Mečíř 6–4, 3–6, 6–2, 7–6(7–4) Raffaella Reggi defeated Vicki Nelson-Dunbar 6–4, 6–4 Anders Järryd / Mats Wilander defeated Ken Flach / Robert Seguso 4–6, 6–3, 6–2 Sandra Cecchini / Raffaella Reggi defeated Patrizia Murgo / Barbara Romanò 1–6, 6–4, 6–3