The 1929 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 20 May until 3 June. It was the 34th staging of the French Championships and the second Grand Slam tournament of the year.
René Lacoste and Helen Wills Moody won the singles titles. It was Lacoste's seventh and last Grand Slam singles title.
See main article: 1929 French Championships – Men's singles. 
René Lacoste (FRA) defeated Jean Borotra (FRA) 6–3, 2–6, 6–0, 2–6, 8–6
See main article: 1929 French Championships – Women's singles. 
Helen Wills Moody (USA) defeated Simonne Mathieu (FRA) 6–3, 6–4
See main article: 1929 French Championships – Men's doubles. René Lacoste (FRA) / Jean Borotra (FRA) defeated Henri Cochet (FRA) / Jacques Brugnon (FRA) 6–3, 3–6, 6–3, 3–6, 8–6
Lilí Álvarez (ESP) / Kea Bouman (NED) defeated Bobbie Heine (RSA) / Alida Neave (RSA) 7–5, 6–3
Eileen Bennett Whittingstall (GBR) / Henri Cochet (FRA) defeated Helen Wills Moody (USA) / Frank Hunter (USA) 6–3, 6–2