1990 Italian Open
Date	7–13 May (women) 14–21 May (men)
Edition	47th
Surface	Clay / outdoor
Location	Rome, Italy
Venue	Foro Italico
Champions
Men's singles
Thomas Muster[1]
Women's singles
Monica Seles
Men's doubles
Sergio Casal / Emilio Sánchez[2]
Women's doubles
Helen Kelesi / Monica Seles
← 1989 · Italian Open · 1991 →

The 1990 Italian Open (known as the Peugeot Italian Open for sponsorship reasons) was a tennis tournament played on outdoor clay courts. It was the 47th edition of the Italian Open, and was part of the ATP Super 9 of the 1990 ATP Tour, and of the Tier I Series of the 1990 WTA Tour. Both the men's and the women's events were held at the Foro Italico in Rome, Italy. The women's tournament was played from May 7 through May 13, 1990, and the men's tournament was played from May 13 through May 21, 1990.

Finals

Men's singles

Thomas Muster defeated Andrei Chesnokov 6–1, 6–3, 6–1

• It was Thomas Muster's 3rd title of the year and his 8th overall. It was his 1st career Masters title.

Women's singles

Monica Seles defeated Martina Navratilova 6–1, 6–1

• It was Monica Seles' 4th title of the year and her 5th overall. It was her 1st Tier I title.

Men's doubles

Sergio Casal / Emilio Sánchez defeated Jim Courier / Martin Davis 7–6, 7–5

Women's doubles

Helen Kelesi / Monica Seles defeated Laura Garrone / Laura Golarsa 6–3, 6–4