The 1947 U.S. National Championships (now known as the US Open) was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, United States. The tournament ran from September 6 until September 14. It was the 67th staging of the U.S. National Championships, and the fourth Grand Slam tennis event of the year.[1]
| 1947 U.S. National Championships | |
|---|---|
| Date | September 6 – 14 |
| Edition | 67th |
| Category | Grand Slam (ILTF) |
| Surface | Grass |
| Location | Forest Hills, Queens New York City, United States |
| Venue | West Side Tennis Club |
| Champions | |
| Men's singles | |
 Jack Kramer | |
| Women's singles | |
| Louise Brough | |
| Men's doubles | |
| Jack Kramer / Ted Schroeder | |
| Women's doubles | |
| Louise Brough / Margaret Osborne | |
| Mixed doubles | |
Louise Brough /  John Bromwich | |
Finals edit
Men's singles edit
Jack Kramer defeated Frank Parker 4–6, 2–6, 6–1, 6–0, 6–3
Women's singles edit
Louise Brough defeated Margaret Osborne 8–6, 4–6, 6–1
Men's doubles edit
Jack Kramer / Ted Schroeder defeated Bill Talbert / Bill Sidwell 6–4, 7–5, 6–3 [2]
Women's doubles edit
Louise Brough / Margaret Osborne defeated Patricia Todd / Doris Hart 5–7, 6–3, 7–5 [3]
Mixed doubles edit
Louise Brough / John Bromwich defeated Gussie Moran / 
Pancho Segura 6–3, 6–1 [4]