The 1937 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 2 until September 11.

It was the 57th staging of the U.S. National Championships and the fourth Grand Slam tennis event of the year.

[1] Don Budge defeated Gottfried von Cramm 6–1, 7–9, 6–1, 3–6, 6–1 Anita Lizana defeated Jadwiga Jędrzejowska 6–4, 6–2 Gottfried von Cramm / Henner Henkel defeated Don Budge / Gene Mako 6–4, 7–5, 6–4 [2] Sarah Palfrey Cooke / Alice Marble defeated Marjorie Gladman Van Ryn / Carolin Babcock 7–5, 6–4 [3] Sarah Palfrey Cooke / Don Budge defeated Sylvie Jung Henrotin / Yvon Petra 6–2, 8–10, 6–0 [4]