ATP Lyon Open

The ATP Lyon Open (also known as the Open Parc Auvergne-Rhône-Alpes Lyon) was a men's tennis event on the ATP Tour held in the French city of Lyon. From 2017 to 2024, it was part of the ATP 250 Series and was played on outdoor clay courts. It was removed from the 2025 ATP calendar.

The tournament was one of four French events of the ATP Tour 250 series, along with the Open Sud de France, the Open 13 and the Moselle Open. It replaced the Open de Nice Côte d'Azur on the ATP calendar. Former professional tennis player Thierry Ascione was the tournament director.

Ivan Dodig is the doubles record holder with two victories.