| 2023 Saint-Tropez Open | |
|---|---|
| Date | 18 – 24 September |
| Edition | 3rd |
| Surface | Hard |
| Location | Saint-Tropez, France |
| Champions | |
| Singles | |
 Constant Lestienne | |
| Doubles | |
| Dan Added / Albano Olivetti | |
The 2023 Saint-Tropez Open was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Saint-Tropez, France between 18 and 24 September 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| FRA | |||
 AUT | Sebastian Ofner | 59 | 2 |
| FRA | Grégoire Barrère | 62 | 3 |
| FRA | Richard Gasquet | 65 | 4 |
 USA | Michael Mmoh | 81 | 5 |
| FRA | Hugo Gaston | 87 | 6 |
 BEL | |||
| FRA | |||
 GBR | Liam Broady | 104 | 9 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Dan Added 
Peter Gojowczyk Billy Harris 
Oleksii Krutykh 
Mark Lajal Jules MarieThe following players received entry as lucky losers:
Constant Lestienne def. Liam Broady 4–6, 6–3, 6–4. Dan Added / Albano Olivetti def. Jonathan Eysseric / Harold Mayot 3–6, 1–0 ret.
