1998 Italian Open – Women's singles

Martina Hingis defeated Venus Williams in the final, 6–3, 2–6, 6–3 to win the women's singles tennis title at the 1998 Italian Open.

Mary Pierce was the defending champion, but lost in the third round to Mirjana Lučić.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round.


 * 1)  Martina Hingis (champion)
 * 2) 🇨🇿 Jana Novotná (second round)
 * 3)  Amanda Coetzer (second round)
 * 4) 🇫🇷 Mary Pierce (third round)
 * 5) 🇪🇸 Arantxa Sánchez-Vicario (semifinals)
 * 6) 🇺🇸 Monica Seles (third round)
 * 7) 🇪🇸 Conchita Martínez (third round)
 * 8)  Iva Majoli (third round)
 * 9) 🇺🇸 Venus Williams (final)
 * 10)  Irina Spîrlea (third round)
 * 11) 🇫🇷 Nathalie Tauziat (first round)
 * 12) 🇫🇷 Sandrine Testud (quarterfinals)
 * 13) 🇧🇪 Dominique Van Roost (third round)
 * 14) 🇷🇺 Anna Kournikova (quarterfinals)
 * 15) 🇺🇸 Lisa Raymond (quarterfinals)
 * 16)  Patty Schnyder (first round)