The 1925 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 women's tournament was held from August 17 until August 24 while the men's tournament ran from September 14 until September 19. It was the 45th staging of the U.S. National Championships and the fourth Grand Slam tennis event of the year.
| 1925 U.S. National Championships | |
|---|---|
| Date | September 14–19 (M) August 17–24 (W) |
| Edition | 45th |
| Category | Grand Slam (ITF) |
| Surface | Grass |
| Location | Forest Hills, Queens New York City, United States |
| Venue | West Side Tennis Club |
| Champions | |
| Men's singles | |
 Bill Tilden[1] | |
| Women's singles | |
| Helen Wills Moody[1] | |
| Men's doubles | |
| Richard Norris Williams / Vincent Richards[2] | |
| Women's doubles | |
| Mary Browne / Helen Wills[3] | |
| Mixed doubles | |
 Kitty McKane /  Jack Hawkes[4] | |
Champions
editMen's singles
edit Bill Tilden defeated Bill Johnston 4–6, 11–9, 6–3, 4–6, 6–3
Women's singles
edit Helen Wills defeated Kitty McKane 3–6, 6–0, 6–2
Men's doubles
edit Richard Norris Williams / Vincent Richards defeated Gerald Patterson / Jack Hawkes 6–2, 8–10, 6–4, 11–9
Women's doubles
edit Mary Browne / Helen Wills defeated May Sutton Bundy / Elizabeth Ryan 6–4, 6–3
Mixed doubles
edit Kitty McKane / Jack Hawkes defeated Ermyntrude Harvey / Vincent Richards 6–2, 6–4