| Date: | 30 April–6 May |
| Edition: | 23rd |
| Category: | ITF Women's Circuit |
| Location: | Gifu, Japan |
| Surface: | Hard |
| Prize Money: | $80,000 |
| Champs: |  Kurumi Nara |
| Champd: | Rika Fujiwara / Yuki Naito |
The 2018 Kangaroo Cup was a professional tennis tournament played on outdoor hard courts. It was the twenty-third edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Gifu, Japan, on 30 April–6 May 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Kurumi Nara | 102 | 1 | |
 China | Zhu Lin | 125 | 2 | |
| Japan | Nao Hibino | 129 | 3 | |
 United Kingdom | Naomi Broady | 134 | 4 | |
 Korea, Republic of | Jang Su-jeong | 176 | 5 | |
| United Kingdom | Gabriella Taylor | 177 | 6 | |
| Japan | Eri Hozumi | 180 | 7 | |
| Japan | Miharu Imanishi | 194 | 8 |
The following players received a wildcard into the singles main draw:
Chihiro Muramatsu Suzuka Takoi Moyuka Uchijima Yuki UkaiThe following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
Hiroko Kuwata
Abbie Myers Kyōka Okamura Mei YamaguchiSee main article: 2018 Kangaroo Cup – Singles.
Kurumi Nara def. Moyuka Uchijima, 6–2, 7–6(7–4) Rika Fujiwara / Yuki Naito def. 
Ksenia Lykina / Emily Webley-Smith, 7–5, 6–4