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.[1]
See main article: 2019 Lyon Open – Singles.
Benoît Paire defeated 
Félix Auger-Aliassime, 6–4, 6–3See main article: 2019 Lyon Open – Doubles.
Édouard Roger-Vasselin defeated 
Ken Skupski / Neal Skupski, 6–4, 6–3| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Georgia | Nikoloz Basilashvili | 18 | 1 | |
 Spain | Roberto Bautista Agut | 20 | 2 | |
| Canada | Denis Shapovalov | 22 | 3 | |
| Canada | Félix Auger-Aliassime | 30 | 4 | |
 Serbia | Dušan Lajović | 31 | 5 | |
| France | Richard Gasquet | 39 | 6 | |
| France | Pierre-Hugues Herbert | 40 | 7 | |
 Poland | Hubert Hurkacz | 41 | 8 |
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:
Tomáš Berdych → replaced by Benoît Paire
John Isner → replaced by Pablo Andújar
Martin Kližan → replaced by Lloyd Harris
Mikhail Kukushkin → replaced by Tristan Lamasine Ugo Humbert Richard Gasquet| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Raven Klaasen |  New Zealand | Michael Venus | 31 | 1 | ||
| Ivan Dodig | France | Édouard Roger-Vasselin | 60 | 2 | ||
| United Kingdom | Ken Skupski | United Kingdom | Neal Skupski | 80 | 3 | |
| United Kingdom | Luke Bambridge | United Kingdom | Jonny O'Mara | 90 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pairs received entry as alternates:
