The 2015 Brest Challenger was a professional tennis tournament played on hard courts.

It was the first edition of the tournament which was part of the 2015 ATP Challenger Tour.

It took place at the Brest Arena in Brest, France between 19 and 25 October 2015.

* per team The following players received wildcards into the singles main draw: The following player received entry using a special exemption: The following players received entry from the qualifying draw: 1 Rankings are as of 12 October 2015.

The following pair received a wildcard into the doubles main draw: