| Date: | 16–22 November |
| Edition: | 8th |
| Category: | WTA 125K series |
| Surface: | Carpet (indoor) |
| Prize Money: | $115,000 |
| Location: | Taipei, Taiwan |
| Champs: |  Tímea Babos |
| Champd: |  Kanae Hisami / Kotomi Takahata |
| Main Name: | Taipei Open |
The 2015 OEC Taipei WTA Challenger was a professional tennis tournament played on indoor carpet courts. It was the 8th edition of OEC's Taipei Open tournaments, and part of the 2015 WTA 125K series. It took place in Taipei, Taiwan, on 16–22 November 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Misaki Doi | 60 | 1 | |
 Kazakhstan | Yaroslava Shvedova | 82 | 2 | |
 Russian Federation | Evgeniya Rodina | 84 | 3 | |
| Hungary | Tímea Babos | 85 | 4 | |
 Belgium | Kirsten Flipkens | 93 | 5 | |
 Romania | Patricia Maria Țig | 115 | 6 | |
| Stefanie Vögele | 122 | 7 | ||
 China | Wang Yafan | 135 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank | Seed | |
|---|---|---|---|---|---|---|
| China | Han Xinyun | China | Zhang Kailin | 199 | 1 | |
| Chan Chin-wei | Japan | Junri Namigata | 215 | 2 | ||
| Russian Federation | Marina Melnikova | Belgium | Elise Mertens | 284 | 3 | |
 France | Amandine Hesse | Japan | Hiroko Kuwata | 301 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2015 OEC Taipei WTA Challenger – Singles.
Tímea Babos def. Misaki Doi 7–5, 6–3See main article: 2015 OEC Taipei WTA Challenger – Doubles.
Kanae Hisami / Kotomi Takahata def. Marina Melnikova / Elise Mertens 6–1, 6–2