| 2023 Cary Challenger | |
|---|---|
| Date | 7–13 August |
| Edition | 10th |
| Surface | Hard |
| Location | Cary, North Carolina, United States |
| Champions | |
| Singles | |
 Adam Walton | |
| Doubles | |
 Evan King / Reese Stalder | |
The 2023 Cary Challenger was a professional tennis tournament being played on hard courts. It was the 10th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Cary, North Carolina, United States between 7 and 13 August 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Alexander Shevchenko | 93 | 1 | |
| AUS | Rinky Hijikata | 110 | 2 |
 GBR | Liam Broady | 125 | 3 |
| USA | Nicolas Moreno de Alboran | 137 | 4 |
 FRA | Arthur Cazaux | 138 | 5 |
 NED | Gijs Brouwer | 144 | 6 |
 ECU | Emilio Gómez | 155 | 7 |
 SUI | Leandro Riedi | 159 | 8 |
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:
Stefan Dostanic Blake Ellis Billy Harris Karl Poling Keegan Smith Quinn VandecasteeleThe following player received entry as a lucky loser:
Yuki Mochizuki Adam Walton def. Nicolas Moreno de Alboran 6–4, 3–6, 7–5. Evan King / Reese Stalder def. 
Miķelis Lībietis / Adam Walton 6–3, 7–6(7–4).