The 1949 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 18 May until 29 May. It was the 53rd staging of the French Championships, and the second Grand Slam tennis event of 1949. Frank Parker and Margaret Osborne duPont won the singles titles.
See main article: 1949 French Championships – Men's singles. 
Frank Parker defeated Budge Patty 6–3, 1–6, 6–1, 6–4
See main article: 1949 French Championships – Women's singles. Margaret Osborne duPont defeated 
Nelly Adamson 7–5, 6–2
Pancho Gonzales / Frank Parker defeated Eustace Fannin / Eric Sturgess 6–3, 8–6, 5–7, 6–3
Margaret Osborne duPont / Louise Brough defeated 
Joy Gannon / Betty Hilton 7–5, 6–1
Sheila Piercey Summers / Eric Sturgess defeated Jean Quertier / Gerry Oakley 6–1, 6–1