See main article: 2023 Rolex Paris Masters.
| Champ: |  Novak Djokovic |
| Runner: | Grigor Dimitrov |
| Score: | 6–4, 6–3 |
| Draw: | 56 (7 / 4) |
| Seeds: | 16 |
| Type: | singles doubles |
Novak Djokovic defeated Grigor Dimitrov in the final, 6–4, 6–3 to win the singles tennis title at the 2023 Paris Masters. It was his record-extending seventh Paris Masters title and record-extending 40th Masters title overall, and he extended his winning streak to 18 matches with the win (dating back to the Cincinnati Masters).
Holger Rune was the defending champion,[1] but lost in the quarterfinals to Djokovic in a rematch of the previous year's final.
Djokovic and Carlos Alcaraz were in contention for the ATP No. 1 singles ranking. Djokovic retained the top ranking after Alcaraz lost in the second round.
The top eight seeds received a bye into the second round.