The 2016 Slovak Open was a professional tennis tournament played on indoor hard courts.

It was the 17th edition of the tournament which was part of the 2016 ATP Challenger Tour.

It was also the 8th edition of the tournament which was part of the ITF Women's Circuit.

It took place in Bratislava, Slovakia between 7 and 13 November 2016.

The following players received wildcards into the singles main draw: The following player received entry to the main draw using a protected ranking: The following players received entry from the qualifying draw: The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: