| 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, New York |
| 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] | |
The1925 U.S. National Championships (now known as theUS Open) was atennis tournament that took place on the outdoorgrass courts at theWest Side Tennis Club, Forest Hills inNew York City, New York. 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 theU.S. National Championships and the fourthGrand Slam tennis event of the year.
Bill Tilden defeatedBill Johnston 4–6, 11–9, 6–3, 4–6, 6–3
Helen Wills defeatedKitty McKane 3–6, 6–0, 6–2
Richard Norris Williams /Vincent Richards defeatedGerald Patterson /Jack Hawkes 6–2, 8–10, 6–4, 11–9
Mary Browne /Helen Wills defeatedMay Sutton Bundy /Elizabeth Ryan 6–4, 6–3
Kitty McKane /Jack Hawkes defeatedErmyntrude Harvey /Vincent Richards 6–2, 6–4
| Preceded by | Grand Slams | Succeeded by |