1981 Toray Sillook Open

The 1981 Toray Sillook Open was a women's singles tennis tournament played on indoor carpet courts at Yoyogi National Gymnasium in Tokyo in Japan. The event was part of the Category 3 of the 1981 Toyota Series. It was the ninth edition of the tournament and was held from 14 September through 20 September 1981. Unseeded Ann Kiyomura won the title and earned $34,000 first-prize money.

Singles
🇺🇸 Ann Kiyomura defeated Bettina Bunge 6–4, 7–5
 * It was Kiyomura's 2nd singles title of the year and of her career.