| Date: | 8–13 September |
| Edition: | 1st |
| Category: | WTA 125K series |
| Draw: | 32S/16Q/16D |
| Surface: | Hard |
| Prize Money: | $125,000 |
| Location: | Dalian, China |
| Champs: |  Zheng Saisai |
| Champd: | Zhang Kailin / Zheng Saisai |
The 2015 Dalian Women's Tennis Open was a professional tennis tournament played on hard courts. It was the first tournament in the 2015 WTA 125K series and took place in Dalian, China, from 8 to 13 September 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| China | Zheng Saisai | 71 | 1 | |
 Serbia | Bojana Jovanovski | 98 | 2 | |
| China | Duan Yingying | 103 | 3 | |
 Russian Federation | Elizaveta Kulichkova | 107 | 4 | |
| China | Wang Qiang | 112 | 5 | |
 Czech Republic | Kristýna Plíšková | 113 | 6 | |
 Japan | Nao Hibino | 123 | 7 | |
| China | Zhu Lin | 125 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Chan Chin-wei | Darija Jurak | 136 | 1 | |||
| China | Zhang Kailin | China | Zheng Saisai | 166 | 2 | |
| Japan | Shuko Aoyama | Japan | Makoto Ninomiya | 205 | 3 | |
| Chang Kai-chen | China | Han Xinyun | 226 | 4 |
The following players received wildcards into the singles main draw:
See main article: article and 2015 Dalian Women's Tennis Open – Singles.
Zheng Saisai def. 
Julia Glushko, 2–6, 6–1, 7–5See main article: article and 2015 Dalian Women's Tennis Open – Doubles.
Zhang Kailin / Zheng Saisai def. Chan Chin-wei / Darija Jurak, 6–3, 6–4
