# 1979 US Open – Mixed doubles

Betty Stöve and Frew McMillan were the defending champions, but lost in the final against Greer Stevens and Bob Hewitt. The score was 6–3, 7–5.

## Seeds

* Greer Stevens / Bob Hewitt (champions)
* Betty Stöve / Frew McMillan (final)
* Betsy Nagelsen / Kim Warwick (first round)
* Renée Richards / Ilie Năstase (semifinals)
* Martina Navratilova / Bill Scanlon (semifinals)
* Billie Jean King / Ben Testerman (second round, withdrew)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Bob Hewitt Greer Stevens | 6 | 6 | | | | |
| 4 | Ilie Năstase Renée Richards | 0 | 4 | | | | |
| 4 | Ilie Năstase Renée Richards | 0 | 4 | 1 | Bob Hewitt Greer Stevens | 6 | 7 |
| | | | | 2 | Frew McMillan Betty Stöve | 3 | 5 |
| 5 | Bill Scanlon Martina Navratilova | 6 | 3 | 2 | Frew McMillan Betty Stöve | 3 | 5 |
| 2 | Frew McMillan Betty Stöve | 7 | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | B Hewitt G Stevens | 6 | 6 | | | | | | | | | | | | | | |
| | J Molin L Allen | 1 | 4 | | 1 | B Hewitt G Stevens | 3 | 6 | 6 | | | | | | | | |
| | P Rennert K Jordan | 5 | 6 | 6 | | P Rennert K Jordan | 6 | 3 | 4 | | | | | | | | |
| | C Dowdeswell J Russell | 7 | 3 | 4 | | | | | | 1 | B Hewitt G Stevens | 7 | 6 | | | | |
| | R Tyler C O'Neil | | | | | | | | | | K Curren A Smith | 5 | 4 | | | | |
| | K Curren A Smith | w/o | | | | K Curren A Smith | 6 | 6 | | | | | | | | | |
| | D Siegler D Gilbert | 3 | 2 | | | V Amritraj P Shriver | 2 | 3 | | | | | | | | | |
| | V Amritraj P Shriver | 6 | 6 | | | | | | | | | | | 1 | B Hewitt G Stevens | 6 | 6 |
| 4 | I Năstase R Richards | 6 | 6 | | | | | | | | | | | 4 | I Năstase R Richards | 0 | 4 |
| | C Strode L Antonoplis | 1 | 2 | | 4 | I Năstase R Richards | 6 | 6 | | | | | | | | | |
| | R Harmon A Whitmore | 3 | 4 | | | E Teltscher M Carillo | 0 | 3 | | | | | | | | | |
| | E Teltscher M Carillo | 6 | 6 | | | | | | | 4 | I Năstase R Richards | 6 | 6 | | | | |
| | B Walts K Shaw-Ziska | 7 | 5 | 7 | | | | | | | B Walts K Shaw-Ziska | 2 | 4 | | | | |
| | F Buehning J Anthony | 5 | 7 | 6 | | B Walts K Shaw-Ziska | w/o | | | | | | | | | | |
| | F Stolle B Potter | 2 | 4 | | 6 | B Testerman B Jean King | | | | | | | | | | | |
| 6 | B Testerman B Jean King | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | Bill Scanlon Martina Navratilova | 6 | 6 | | | | | | | | | | | | | | | |
| | David Sherbeck Jane Stratton | 2 | 1 | | 5 | Bill Scanlon Martina Navratilova | 6 | 6 | 7 | | | | | | | | | |
| | Mel Purcell Mary-Lou Piatek | 3 | 7 | 4 | | Van Winitsky Rayni Fox | 4 | 7 | 6 | | | | | | | | | |
| | Van Winitsky Rayni Fox | 6 | 5 | 6 | | | | | | 5 | Bill Scanlon Martina Navratilova | 1 | 6 | 6 | | | | |
| | John Marks Ilana Kloss | 6 | 1 | 4 | | | | | | | Raúl Ramírez Bettina Bunge | 6 | 1 | 4 | | | | |
| | Raúl Ramírez Bettina Bunge | 4 | 6 | 6 | | Raúl Ramírez Bettina Bunge | 6 | 5 | 6 | | | | | | | | | |
| | Tom Leonard Barbara Hallquist | 6 | 6 | | | Tom Leonard Barbara Hallquist | 3 | 7 | 4 | | | | | | | | | |
| 3 | Kim Warwick Betsy Nagelsen | 4 | 1 | | | | | | | | | | | | 5 | Bill Scanlon Martina Navratilova | 6 | 3 |
| | Jerry Van Linge Betty-Ann Stuart | 4 | 2 | | | | | | | | | | | | 2 | Frew McMillan Betty Stöve | 7 | 6 |
| | Mark Edmondson Marise Kruger | 6 | 6 | | | Mark Edmondson Marise Kruger | 4 | 2 | | | | | | | | | | |
| | Anand Amritraj Françoise Dürr | 4 | 6 | 7 | | Anand Amritraj Françoise Dürr | 6 | 6 | | | | | | | | | | |
| | Andy Kohlberg Trey Lewis | 6 | 1 | 5 | | | | | | | Anand Amritraj Françoise Dürr | 1 | 5 | | | | | |
| | Gene Malin Penny Johnson | 7 | 5 | 6 | | | | | | 2 | Frew McMillan Betty Stöve | 6 | 7 | | | | | |
| | Scott Davis Anna-Maria Fernandez | 6 | 7 | 7 | | Scott Davis Anna-Maria Fernandez | 2 | 0 | | | | | | | | | | |
| | Mike Margolin Stacy Margolin | 2 | 4 | | 2 | Frew McMillan Betty Stöve | 6 | 6 | | | | | | | | | | |
| 2 | Frew McMillan Betty Stöve | 6 | 6 | | | | | | | | | | | | | | | |