| 1978 U.S. Clay Court Championships | |
|---|---|
| Date | August 7–13 |
| Edition | 10th |
| Category | Grand Prix circuit WTA Tour |
| Draw | 64S / 32D (M) 48S / 24D (W) |
| Prize money | $175,000 (M) $35,000 (W) |
| Surface | Clay / outdoor |
| Location | Indianapolis, US |
| Venue | Indianapolis Racquet Club |
| Champions | |
| Men's singles | |
 Jimmy Connors [1] | |
| Women's singles | |
| Dana Gilbert | |
| Men's doubles | |
| Hank Pfister / Gene Mayer [2] | |
| Women's doubles | |
 Helena Anliot /  Helle Sparre-Viragh | |
The 1978 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was held at the Indianapolis Racquet Club in Indianapolis in the United States and played on outdoor clay courts. It was the 10th edition of the tournament in the Open Era and was held from August 7 through August 13, 1978. First-seeded Jimmy Connors won the men's singles title and the accompanying $24,000 first-prize money, while college amateur Dana Gilbert, who entered the main draw on a wildcard, took the women's championship. [3] [4]
