1998 US Open – Women's singles qualifying

The qualifying rounds for the 1998 US Open were played from 25 to 29 August 1998 at the USTA National Tennis Center in Flushing Meadows, New York City, United States.

Seeds
• # 🇩🇪 Jana Kandarr (second round)

• # 🇺🇸 Lilia Osterloh (qualifying competition)

• # 🇯🇵 Haruka Inoue (second round)

• # 🇺🇸 Jolene Watanabe (second round)

• # 🇷🇺 Elena Makarova (qualifying competition)

• # 🇮🇹 Adriana Serra Zanetti (first round)

• # 🇫🇷 Émilie Loit (second round)

• # 🇪🇸 Conchita Martínez Granados (qualifying competition)

• # 🇨🇦 Sonya Jeyaseelan (second round)

• # Seda Noorlander (first round)

• # 🇮🇹 Francesca Lubiani (second round)

• # 🇧🇪 Els Callens (qualifying competition)

• # 🇧🇪 Laurence Courtois (qualified)

• # 🇦🇹 Karin Kschwendt (second round)

• # 🇧🇬 Pavlina Stoyanova (qualified)

• # 🇦🇺 Annabel Ellwood (qualifying competition)

• # 🇷🇴 Raluca Sandu (qualified)

• # 🇯🇵 Shinobu Asagoe (qualifying competition)

• # 🇺🇸 Ginger Helgeson-Nielsen (second round)

• # Surina De Beer (qualifying competition)

• # 🇨🇴 Fabiola Zuluaga (qualified)

• # 🇫🇷 Laurence Andretto (first round)

• # 🇺🇦 Olga Lugina (second round)

• # 🇵🇱 Aleksandra Olsza (qualified)

• # 🇨🇦 Maureen Drake (first round)

• # Christína Papadáki (qualifying competition)

• # 🇯🇵 Rika Hiraki (second round)

• # 🇱🇺 Anne Kremer (qualified)

• # Silvija Talaja (qualifying competition)

• # 🇷🇺 Evgenia Kulikovskaya (qualified)

• # 🇮🇹 Tathiana Garbin (first round)

• # Liezel Horn (qualified)

Qualifiers
• # 🇩🇪 Marlene Weingärtner

• # 🇷🇴 Raluca Sandu

• # 🇺🇸 Jackie Trail

• # 🇺🇸 Jean Okada

• # 🇨🇴 Fabiola Zuluaga

• # 🇧🇪 Laurence Courtois

• # 🇵🇱 Aleksandra Olsza

• # 🇩🇪 Miriam Schnitzer

• # 🇺🇸 Jill Craybas

• # 🇧🇬 Pavlina Stoyanova

• # Liezel Horn

• # Tina Križan

• # 🇨🇿 Ludmila Richterová

• # Sandra Načuk

• # 🇱🇺 Anne Kremer

• # 🇷🇺 Evgenia Kulikovskaya