| 1988 US Open | |
|---|---|
| Date | August 29 – September 11 |
| Edition | 108th |
| Category | Grand Slam (ITF) |
| Surface | Hardcourt |
| Location | New York City, United States |
| Champions | |
| Men's singles | |
 Mats Wilander | |
| Women's singles | |
 Steffi Graf | |
| Men's doubles | |
 Sergio Casal / Emilio Sánchez | |
| Women's doubles | |
 Gigi Fernández / Robin White | |
| Mixed doubles | |
 Jana Novotná / Jim Pugh | |
| Boys' singles | |
 Nicolás Pereira | |
| Girls' singles | |
| Carrie Cunningham | |
| Boys' doubles | |
| Jonathan Stark / John Yancey | |
| Girls' doubles | |
| Meredith McGrath / Kimberly Po | |
The 1988 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City, United States. It was the 108th edition of the US Open and was held from August 29 to September 11, 1988.