| 1984 U.S. Pro Indoor | |
|---|---|
| Date | January 23–29 |
| Edition | 17th |
| Category | Grand Prix circuit |
| Draw | 48S / 28D |
| Prize money | $ 300,000 |
| Surface | Carpet / indoor |
| Location | Philadelphia, PA, United States |
| Venue | Spectrum |
| Champions | |
| Singles | |
 John McEnroe[1] | |
| Doubles | |
| Peter Fleming / John McEnroe[2] | |
The 1984 U.S. Pro Indoor was a men's tennis tournament played on indoor carpet courts that was part of the 1984 Volvo Grand Prix. It was played at the Spectrum in Philadelphia, Pennsylvania in the United States and took place from January 23 through January 29, 1984. Second-seeded John McEnroe won his third consecutive singles title at the event.
- ^ "1984 Philadelphia – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1984 Philadelphia – Doubles draw". Association of Tennis Professionals (ATP).