| Japan | |
|---|---|
 | |
| Captain | Ai Sugiyama |
| ITF ranking | 15  (15 April 2024) |
| Colors | Red & White |
| First year | 1964 |
| Years played | 52 |
| Ties played (W–L) | 160 (96–64) |
| Years in World Group | 30 (12–27) |
| Best finish | World Group SF (1996) |
| Most total wins | Kazuko Sawamatsu (44–10) |
| Most singles wins | Kazuko Sawamatsu (25–5) |
| Most doubles wins | Kazuko Sawamatsu (19–5) |
| Best doubles team | Shuko Aoyama / Eri Hozumi (10–2) |
| Most ties played | Kazuko Sawamatsu (30) |
| Most years played | Ai Sugiyama (12) |
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The Japan women's national tennis team represents Japan in Fed Cup tennis competition and are governed by the Japan Tennis Association. They were most recently promoted to the 2019 Fed Cup World Group II after defeating Great Britain in the 2018 World Group II Play-offs.