The 2018 Generali Open Kitzbühel was a men's tennis tournament played on outdoor clay courts.

It was the 74th edition of the Austrian Open Kitzbühel, and part of the World Tour 250 series of the 2018 ATP World Tour.

It took place at the Tennis stadium Kitzbühel in Kitzbühel, Austria, from July 30 through August 5.

[1] The following players received wildcards into the singles main draw: The following players received entry into the singles main draw as special exempts: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: