The 1954 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 28 August until 6 September. It was the 74th staging of the U.S. National Championships, and the fourth Grand Slam tennis event of the year.

Finals

Men's singles

🇺🇸 Vic Seixas defeated 🇦🇺 Rex Hartwig 3–6, 6–2, 6–4, 6–4

Women's singles

🇺🇸 Doris Hart defeated 🇺🇸 Louise Brough 6–8, 6–1, 8–6

Men's doubles

🇺🇸 Vic Seixas / 🇺🇸 Tony Trabert defeated 🇦🇺 Lew Hoad / 🇦🇺 Ken Rosewall 3–6, 6–4, 8–6, 6–3

Women's doubles

🇺🇸 Shirley Fry / 🇺🇸 Doris Hart defeated 🇺🇸 Louise Brough / 🇺🇸 Margaret Osborne duPont 6–4, 6–4

Mixed doubles

🇺🇸 Doris Hart / 🇺🇸 Vic Seixas defeated 🇺🇸 Margaret Osborne duPont / 🇦🇺 Ken Rosewall 4–6, 6–1, 6–1