The 1927 French Championships (now known as the French Open) was a tennis tournament that took place on the outdoor clay courts at the Stade Français in Saint-Cloud, France.

It was the 32nd staging of the French Championships and the second Grand Slam tournament of the year.

Kea Bouman and René Lacoste won the singles titles.

Bouman became the first foreign woman to win the women's singles event and the first, and to date only, Dutch woman to win a Grand Slam singles title.

René Lacoste (FRA) defeated Bill Tilden (USA) 6–4, 4–6, 5–7, 6–3, 11–9 Kea Bouman (NED) defeated Irene Peacock (RSA) 6–2, 6–4 Henri Cochet (FRA) / Jacques Brugnon (FRA) defeated Jean Borotra (FRA) / René Lacoste (FRA) 2–6, 6–2, 6–0, 1–6, 6–4 Irene Peacock (RSA) / Bobbie Heine (AUS) defeated Peggy Saunders Mitchell (GBR) / Phoebe Holcroft Watson (GBR) 6–2, 6–1 Marguerite Broquedis (FRA) / Jean Borotra (FRA) defeated Lilí de Álvarez (ESP) / Bill Tilden (USA) 6–4, 2–6, 6–2