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.
See main article: 1990 Italian Open – Men's singles. Thomas Muster defeated Andrei Chesnokov 6–1, 6–3, 6–1
See main article: 1990 Italian Open – Women's singles. Monica Seles defeated Martina Navratilova 6–1, 6–1
See main article: 1990 Italian Open – Men's doubles. Sergio Casal / Emilio Sánchez defeated Jim Courier / Martin Davis 7–6, 7–5
See main article: 1990 Italian Open – Women's doubles. Helen Kelesi / Monica Seles defeated Laura Garrone / Laura Golarsa 6–3, 6–4