| 1983 ATP Championship | |
|---|---|
| Date | August 20–26 |
| Edition | 82nd |
| Category | Grand Prix circuit |
| Draw | 64S / 32D |
| Prize money | $300,000 |
| Surface | Hard / outdoor |
| Location | Mason, Ohio, US |
| Venue | Lindner Family Tennis Center |
| Champions | |
| Singles | |
 Mats Wilander[1] | |
| Doubles | |
 Victor Amaya / Tim Gullikson[2] | |
The 1983 ATP Championship, also known as the ATP Championships, was a men's tennis tournament played on outdoor hard courts at the Lindner Family Tennis Center in Mason, Ohio in the United States that was part of the 1983 Volvo Grand Prix. The tournament was held from August 20 through August 26, 1983. Fourth-seeded Mats Wilander won the singles title.
- ^ "1983 Cincinnati – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1983 Cincinnati – Doubles draw". Association of Tennis Professionals (ATP).