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 69th staging of the French Championships, and the second Grand Slam tennis event of 1965. Fred Stolle and Lesley Turner won the singles titles.
See main article: 1965 French Championships – Men's singles. 
Fred Stolle (AUS) defeated Tony Roche (AUS) 3–6, 6–0, 6–2, 6–3
See main article: 1965 French Championships – Women's singles. Lesley Turner (AUS) defeated Margaret Smith (AUS) 6–3, 6–4
Roy Emerson (AUS) / Fred Stolle (AUS) defeated Ken Fletcher (AUS) / Bob Hewitt (AUS) 6–8, 6–3, 8–6, 6–2
Margaret Smith (AUS) / Lesley Turner (AUS) defeated 
Françoise Durr (FRA) / Janine Lieffrig (FRA) 6–3, 6–1
Margaret Smith (AUS) / Ken Fletcher (AUS) defeated 
Maria Bueno (BRA) / John Newcombe (AUS) 6–4, 6–4