| Women's Singles | |
|---|---|
| 1978 U.S. Clay Court Championships | |
| Champion |
|
| Runner-up |
|
| Final score | 6–2, 6–3 |
Laura duPont was the defending champion but was upset in her first match against Kate Latham. College amateur Dana Gilbert won the title beating Viviana Gonzalez in the final.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.