The 1939 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 8 June until 17 June. It was the 44th staging of the French Championships and the last one held before a six-year hiatus due to World War II. It was the second of four Grand Slam tennis events of the year.

Finals

Men's singles

🇺🇸 Don McNeill defeated 🇺🇸 Bobby Riggs 7–5, 6–0, 6–3

Women's singles

🇫🇷 Simonne Mathieu defeated 🇵🇱 Jadwiga Jędrzejowska 6–3, 8–6

Men's doubles

🇺🇸 Don McNeill / 🇺🇸 Charles Harris defeated 🇫🇷 Jean Borotra / 🇫🇷 Jacques Brugnon 4–6, 6–4, 6–0, 2–6, 10–8

Women's doubles

🇫🇷 Simonne Mathieu / 🇵🇱 Jadwiga Jędrzejowska defeated Alice Florian / Hella Kovac 7–5, 7–5

Mixed doubles

🇺🇸 Sarah Palfrey / 🇺🇸 Elwood Cooke defeated 🇫🇷 Simonne Mathieu / Franjo Kukuljević 4–6, 6–1, 7–5