The 1965 French Championships (now known as the French Open) was a tennis tournament that took place on the outdoor clay courts at the Stade Roland-Garros in Paris, France. The tournament ran from 17 May until 29 May. It was the 64th staging of the French Championships, and the second Grand Slam tennis event of 1965.

Fred Stolle (AUS) defeated Tony Roche (AUS) 3–6, 6–0, 6–2, 6–3

Lesley Turner Bowrey (AUS) defeated Margaret Smith (AUS) 6–3, 6–4