The 2017 Lyon Open (also known as the Open Parc Auvergne-Rhône-Alpes Lyon) was a men's tennis tournament that was played on outdoor clay courts. It was the 1st edition of the Lyon Open and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place in the city of Lyon, France, from May 21 through May 27, 2017.
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates: