The 2015 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 41st edition of the event, and part of the ATP World Tour 500 Series of the 2015 ATP World Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 19 October until 25 October 2015. First-seeded David Ferrer won the singles title.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw: