Japan Billie Jean King Cup team

The Japan women's national tennis team represents Japan in Fed Cup tennis competition and are governed by the Japan Tennis Association.

Most recently, in 2024, they qualified for the finals by beating Kazakhstan in April, and then reached the quarter-finals of the competition with a win over Romania in November.

Japan competed in its first Federation Cup in 1964, the second year of the competition after it was launched in 1963.

This inaugural team consisted of Kazuko Kuromatsu, Reiko Miyagi, and Yohko Obata.

They achieved their best result by reaching the semifinals in 1996.