| Details | |
|---|---|
| Duration | 1 January – 3 December 2023 |
| Edition | 46th (15th under this name) |
| Tournaments | 196 |
| Categories | Challenger 175 (5) Challenger 125 (35) Challenger 100 (41) Challenger 75 (98) Challenger 50 (17) |
| Achievements (singles) | |
| Most tournament titles |  Mariano Navone (5) |
| Most tournament finals |  James Duckworth Mariano Navone  Sebastian Ofner Max Purcell (6) |
← 2022 2024 → | |
The Association of Tennis Professionals (ATP) Challenger Tour in 2023 was the secondary professional tennis circuit organized by the ATP. The 2023 ATP Challenger Tour calendar comprised 196 tournaments, with prize money ranging from $40,000 up to $220,000. It was the 46th edition of Challenger tournaments cycle and 15th under the name of Challenger Tour.