2023 Queen's Club Championships

The 2023 Queen's Club Championships (also known as the Cinch Championships for sponsorship reasons) was a men's professional tennis tournament played on outdoor grass courts at the Queen's Club in London, United Kingdom from 19 to 25 June 2023. It was the 120th edition of the event and was classified as an ATP Tour 500 tournament on the 2023 ATP Tour.

Singles

 * 🇪🇸 Carlos Alcaraz def. 🇦🇺 Alex de Minaur, 6–4, 6–4

Doubles

 * Ivan Dodig / 🇺🇸 Austin Krajicek def. 🇺🇸 Taylor Fritz / 🇨🇿 Jiří Lehečka, 6–4, 6–7(5–7), [10–3]

Prize money

 * per team

Seeds

 * 1 Rankings are as of 12 June 2023.

Other entrants
The following players received wildcards into the main draw:
 * 🇬🇧 Liam Broady
 * 🇬🇧 Jan Choinski
 * 🇬🇧 Ryan Peniston

The following player received entry using a protected ranking:
 * 🇨🇦 Milos Raonic

The following player received entry as a special exempt:
 * 🇦🇺 Jordan Thompson

The following players received entry from the qualifying draw:
 * 🇧🇬 Grigor Dimitrov
 * 🇫🇷 Arthur Fils
 * 🇺🇸 Mackenzie McDonald
 * 🇺🇸 Tommy Paul

The following players received entry as lucky losers:
 * 🇦🇺 Alexei Popyrin
 * 🇫🇷 Arthur Rinderknech
 * 🇺🇸 J. J. Wolf

Withdrawals

 * 🇮🇹 Matteo Berrettini → replaced by 🇺🇸 J. J. Wolf
 * Marin Čilić → replaced by 🇫🇮 Emil Ruusuvuori
 * 🇫🇷 Arthur Fils → replaced by 🇫🇷 Arthur Rinderknech
 * 🇯🇵 Yoshihito Nishioka → replaced by 🇺🇸 Maxime Cressy
 * 🇨🇦 Milos Raonic → replaced by 🇦🇺 Alexei Popyrin

Seeds

 * 1 Rankings are as of 12 June 2023.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇬🇧 Liam Broady / 🇬🇧 Jonny O'Mara
 * 🇬🇧 Julian Cash / 🇬🇧 Luke Johnson

The following pair received entry from the qualifying draw:
 * 🇮🇳 Yuki Bhambri / 🇮🇳 Saketh Myneni

The following pair received entry as lucky losers:
 * 🇸🇪 André Göransson / 🇯🇵 Ben McLachlan

Withdrawals

 * 🇬🇧 Andy Murray / 🇬🇧 Cameron Norrie → replaced by 🇸🇪 André Göransson / 🇯🇵 Ben McLachlan