2023 ATP Lyon Open

The 2023 ATP 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 6th edition of the Lyon Open and part of the ATP Tour 250 series of the 2023 ATP Tour. It took place in the city of Lyon, France, from 21 to 27 May 2023.

Singles

 * 🇫🇷 Arthur Fils def. 🇦🇷 Francisco Cerúndolo, 6–3, 7–5

Doubles

 * 🇺🇸 Rajeev Ram / 🇬🇧 Joe Salisbury def. 🇫🇷 Nicolas Mahut / Matwé Middelkoop, 6–0, 6–3

Prize money

 * per team

Seeds

 * Rankings are as of 8 May 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇦 Félix Auger-Aliassime
 * 🇫🇷 Arthur Fils
 * 🇫🇷 Gaël Monfils

The following players received entry from the qualifying draw:
 * Lloyd Harris
 * 🇪🇸 Pablo Llamas Ruiz
 * 🇪🇸 Álvaro López San Martín
 * 🇨🇳 Zhang Zhizhen

The following player received entry as a lucky loser:
 * 🇪🇸 Oriol Roca Batalla

Withdrawals

 * 🇪🇸 Pablo Carreño Busta → replaced by 🇫🇷 Alexandre Müller
 * 🇦🇷 Tomás Martín Etcheverry → replaced by 🇪🇸 Oriol Roca Batalla
 * 🇫🇷 Quentin Halys → replaced by 🇧🇪 David Goffin
 * 🇦🇺 Jason Kubler → replaced by 🇫🇷 Arthur Rinderknech
 * 🇸🇰 Alex Molčan → replaced by 🇵🇪 Juan Pablo Varillas
 * 🇯🇵 Yoshihito Nishioka → replaced by 🇦🇷 Diego Schwartzman

Seeds

 * Rankings are as of 8 May 2023.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇫🇷 Ugo Blanchet / 🇫🇷 Manuel Guinard
 * 🇫🇷 Mayeul Darras / 🇫🇷 Kyrian Jacquet

The following pair received entry as alternates:
 * 🇦🇷 Guido Andreozzi / 🇦🇷 Guillermo Durán

Withdrawals

 * 🇫🇷 Mayeul Darras / 🇫🇷 Kyrian Jacquet → replaced by 🇦🇷 Guido Andreozzi / 🇦🇷 Guillermo Durán
 * Ivan Dodig / 🇺🇸 Austin Krajicek → replaced by 🇪🇨 Gonzalo Escobar / 🇰🇿 Andrey Golubev
 * 🇬🇧 Lloyd Glasspool / 🇫🇮 Harri Heliövaara → replaced by 🇸🇪 André Göransson / 🇯🇵 Ben McLachlan
 * 🇲🇽 Santiago González / 🇲🇽 Miguel Ángel Reyes-Varela → replaced by 🇰🇿 Aleksandr Nedovyesov / 🇲🇽 Miguel Ángel Reyes-Varela
 * 🇩🇪 Kevin Krawietz / 🇩🇪 Tim Pütz → replaced by 🇨🇴 Nicolás Barrientos / 🇫🇷 Albano Olivetti
 * 🇦🇺 Jason Kubler / 🇦🇺 Max Purcell → replaced by 🇮🇳 Yuki Bhambri / 🇮🇳 Saketh Myneni