The 2018 OEC Taipei WTA Challenger was a professional tennis tournament played on indoor carpet courts.

It was the 11th edition of the tournament and part of the 2018 WTA 125K series, offering a total of $125,000 in prize money.

It took place in Taipei, Taiwan, on 12–18 November 2018.

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The following player received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following player received entry as lucky losers: The following pair received a wildcard into the doubles main draw: