1980 US Open – Mixed doubles
| Mixed doubles | |
|---|---|
| 1980 US Open | |
| Champions | Wendy Turnbull Marty Riessen |
| Runners-up | Betty Stöve Frew McMillan |
| Score | 7–5, 6–2 |
Greer Stevens and Bob Hewitt were the defending champions but lost in the quarterfinals to Candy Reynolds and Steve Denton.
Wendy Turnbull and Marty Riessen won in the final 7–5, 6–2 against Betty Stöve and Frew McMillan.