| 1948 U.S. National Championships | |
|---|---|
| Date | September 10–19 |
| Edition | 68th |
| Category | Grand Slam (ILTF) |
| Surface | Grass |
| Location | Forest Hills,New York City Chestnut Hill, Massachusetts United States |
| Venue | West Side Tennis Club Longwood Cricket Club |
| Champions | |
| Men's singles | |
 Pancho Gonzales | |
| Women's singles | |
| Margaret Osborne duPont | |
| Men's doubles | |
| Gardnar Mulloy /Bill Talbert | |
| Women's doubles | |
| Louise Brough /Margaret Osborne | |
| Mixed doubles | |
| Louise Brough /Tom Brown | |
The1948 U.S. National Championships (now known as theUS Open) was atennis tournament that took place on the outdoorgrass courts in the United States. The men's and women's singles events as well as the mixed doubles were held at theWest Side Tennis Club, Forest Hills inNew York City, while the men's and women's doubles events were played at theLongwood Cricket Club inChestnut Hill, Massachusetts. The tournament ran from September 10 until September 19. It was the 68th staging of theU.S. National Championships, and the fourthGrand Slam tennis event of the year.Pancho Gonzales andMargaret Osborne duPont won the singles titles.[1][2]
Pancho Gonzales defeated
Eric Sturgess 6–2, 6–3, 14–12
Margaret Osborne duPont defeatedLouise Brough 4–6, 6–4, 15–13
Gardnar Mulloy /Bill Talbert defeatedFrank Parker /Ted Schroeder 1–6, 9–7, 6–3, 3–6, 9–7[3]
Louise Brough /Margaret Osborne duPont defeatedPatricia Todd /Doris Hart 6–4, 8–10, 6–1[4]
Louise Brough /Tom Brown defeatedMargaret Osborne duPont /Bill Talbert 6–4, 6–4[5]
| Preceded by | Grand Slams | Succeeded by |