| 1999 Italian Open | |
|---|---|
| Date | 3–9 May (women) 10–16 May (men) |
| Edition | 56th |
| Surface | Clay / outdoor |
| Location | Rome, Italy |
| Venue | Foro Italico |
| Champions | |
| Men's singles | |
 Gustavo Kuerten[1] | |
| Women's singles | |
 Venus Williams[2] | |
| Men's doubles | |
 Ellis Ferreira / Rick Leach[1] | |
| Women's doubles | |
 Martina Hingis /  Anna Kournikova[2] | |
The 1999 Italian Open was a tennis tournament played on outdoor clay courts. It was the 56th edition of the Italian Open, and was part of the ATP Super 9 of the 1999 ATP Tour, and of the Tier I Series of the 1999 WTA Tour. Both the men's and the women's events took place at the Foro Italico in Rome, Italy.
The men's field was led by ATP No. 2, Rotterdam, Australian Open titlist Yevgeny Kafelnikov, Wimbledon, Vienna winner, Paris runner-up Pete Sampras and Sydney champion, Masters Cup winner Àlex Corretja. Also competing were US Open defending champion Patrick Rafter, London titlist Richard Krajicek, Carlos Moyá, Tim Henman and Marcelo Ríos.
The women's draw was headlined by the WTA No. 1, Australian Open, Tokyo winner, and Sydney finalist Martina Hingis; the Cairo titlist, and Hamburg semi-finalist Arantxa Sánchez Vicario; and the Key Biscayne, Oklahoma, Hamburg champion Venus Williams. Other top seeds were Gold Coast runner-up Mary Pierce, Gold Coast champion Patty Schnyder, Indian Wells champion Serena Williams, and Frenchwomen Nathalie Tauziat and Sandrine Testud.
