The 1938 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 2 June until 11 June. It was the 43rd staging of the French Championships and the second Grand Slam tournament of the year.
See main article: 1938 French Championships – Men's singles. 
Don Budge defeated Roderich Menzel 6–3, 6–2, 6–4
See main article: 1938 French Championships – Women's singles. 
Simonne Mathieu defeated Nelly Adamson 6–0, 6–3
Bernard Destremau / Yvon Petra defeated Don Budge / Gene Mako 3–6, 6–3, 9–7, 6–1
Simonne Mathieu / 
Billie Yorke defeated Arlette Halff / Nelly Landry 6–3, 6–3
Simonne Mathieu / Dragutin Mitić defeated 
Nancye Wynne Bolton / Christian Boussus 2–6, 6–3, 6–4