The 2018 Upper Austria Ladies Linz was a women's tennis tournament played on indoor hard courts.

It was the 32nd edition of the Linz Open, and part of the WTA International tournaments-category of the 2018 WTA Tour.

It was held at the TipsArena Linz in Linz, Austria, from 8 to 14 October 2018.

[1] 1 Qualifiers prize money is also the Round of 32 prize money * per team The following players received wildcards into the singles main draw: The following player received entry through a protected ranking: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: The following pairs received wildcards into the doubles main draw: