1924 U.S. National Championships
Date	August 25 – September 2 (M) August 11 – 16 (W)
Edition	44th
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
Howard Kinsey / Robert Kinsey[2]
Women's doubles
Hazel Hotchkiss Wightman / Helen Wills[3]
Mixed doubles
Helen Wills / Vincent Richards[4]
← 1923 · U.S. National Championships · 1925 →

The 1924 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 11 until August 16 while the men's tournament ran from August 25 until September 2. It was the 44th staging of the U.S. National Championships and the third Grand Slam tennis event of the year.

Finals

Men's singles

Bill Tilden defeated Bill Johnston 6–1, 9–7, 6–2

Women's singles

Helen Wills defeated Molla Mallory 6–1, 6–3

Men's doubles

Howard Kinsey / Robert Kinsey defeated Gerald Patterson / Pat O'Hara Wood 7–5, 5–7, 7–9, 6–3, 6–4

Women's doubles

Hazel Hotchkiss Wightman / Helen Wills defeated Eleanor Goss / Marion Zinderstein Jessup 6–4, 6–3

Mixed doubles

Helen Wills / Vincent Richards defeated Molla Mallory / Bill Tilden 6–8, 7–5, 6–0