The 1935 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, USA. The tournament ran from 29 August until 12 September. It was the 55th staging of the U.S. National Championships and the fourth Grand Slam tennis event of the year.
Wilmer Allison defeated Sidney Wood 6–2, 6–2, 6–3
Helen Jacobs defeated Sarah Palfrey Cooke 6–2, 6–4
Wilmer Allison / John Van Ryn defeated Don Budge / Gene Mako 6–2, 6–3, 2–6, 3–6, 6–1 
Helen Jacobs / Sarah Palfrey Cooke defeated Carolin Babcock / Dorothy Andrus 6–4, 6–2 
Sarah Palfrey Cooke / Enrique Maier defeated Kay Stammers / Roderich Menzel 6–4, 4–6, 6–3 
- ^ Collins, Bud (2010). The Bud Collins History of Tennis (2nd ed.). [New York]: New Chapter Press. pp. 53–54. ISBN 978-0942257700.
- ^ Collins, p. 477
- ^ Collins, p. 479
- ^ Collins, p. 482