| Date: | 4–10 May |
| Edition: | 15th |
| Category: | ITF Women's Circuit |
| Location: | Fukuoka, Japan |
| Prize Money: | $50,000 |
| Champs: |  Kristýna Plíšková |
| Champd: |  Naomi Broady / Kristýna Plíšková |
The 2015 Fukuoka International Women's Cup was a professional tennis tournament played on outdoor grass courts. It was the fifteenth edition of the tournament and part of the 2015 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Fukuoka, Japan, on 4–10 May 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Belgium | An-Sophie Mestach | 109 | 1 | |
| Czech Republic | Kristýna Plíšková | 124 | 2 | |
 Japan | Misa Eguchi | 144 | 3 | |
| Japan | Kimiko Date-Krumm | 148 | 4 | |
| Japan | Eri Hozumi | 158 | 5 | |
 Russian Federation | Ekaterina Bychkova | 159 | 6 | |
| United Kingdom | Naomi Broady | 161 | 7 | |
| Japan | Junri Namigata | 181 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2015 Fukuoka International Women's Cup – Singles.
Kristýna Plíšková def. Nao Hibino, 7–5, 6–4See main article: 2015 Fukuoka International Women's Cup – Doubles.
Naomi Broady / Kristýna Plíšková def. Eri Hozumi / Junri Namigata, 6–3, 6–4