1993 Japan Open Tennis Championships – Women's singles

Kimiko Date was the defending champion and successfully defended her title, by defeating Stephanie Rottier 6–1, 6–3 in the final.

Seeds
• # 🇯🇵 Kimiko Date (champion)

• # 🇯🇵 Naoko Sawamatsu (second round)

• # 🇺🇸 Pam Shriver (quarterfinals)

• # 🇧🇪 Sabine Appelmans (second round)

• # 🇺🇸 Patty Fendick (quarterfinals)

• # 🇦🇺 Nicole Provis (semifinals)

• # 🇩🇪 Wiltrud Probst (first round)

• # Stephanie Rottier (final)