The 2019 Lyon Open (also known as the Open Parc Auvergne-Rhône-Alpes Lyon) was a men's tennis tournament played on outdoor clay courts. It was the third edition of the Lyon Open and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place in the city of Lyon, France, from 19 May through 25 May 2019. Unseeded Benoît Paire won the singles title.

Finals

Singles

Doubles

Singles main draw entrants

Seeds

CountryPlayerRank1Seed
GEONikoloz Basilashvili181
ESPRoberto Bautista Agut202
CANDenis Shapovalov223
CANFélix Auger-Aliassime304
SRBDušan Lajović315
FRARichard Gasquet396
FRAPierre-Hugues Herbert407
POLHubert Hurkacz418
  • Rankings are as of May 13, 2019.

Other entrants

The following players received wildcards into the singles main draw:

The following player received entry using a protected ranking into the singles main draw:

The following players received entry from the qualifying draw:

The following players received entry as lucky losers:

Withdrawals

Before the tournament

During the tournament

France Richard Gasquet

Retirements

Doubles main draw entrants

Seeds

CountryPlayerCountryPlayerRank1Seed
RSARaven KlaasenNZLMichael Venus311
CROIvan DodigFRAÉdouard Roger-Vasselin602
GBRKen SkupskiGBRNeal Skupski803
GBRLuke BambridgeGBRJonny O'Mara904
  • Rankings are as of May 13, 2019.

Other entrants

The following pairs received wildcards into the doubles main draw:

The following pairs received entry as alternates:

Withdrawals

Before the tournament

During the tournament