2023 Queen's Club Championships – Singles
| Singles | |
|---|---|
| 2023 Queen's Club Championships | |
| Champion | Carlos Alcaraz |
| Runner-up | Alex de Minaur |
| Score | 6–4, 6–4 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Carlos Alcaraz defeated Alex de Minaur in the final, 6–4, 6–4 to win the singles tennis title at the 2023 Queen's Club Championships. By winning the title, Alcaraz reclaimed the ATP no. 1 singles ranking from Novak Djokovic. It was his first title on grass.
Matteo Berrettini was the two-time reigning champion, but withdrew before his first-round match.