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.

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.

René Lacoste (FRA) defeated Jean Borotra (FRA) 6–3, 2–6, 6–0, 2–6, 8–6 Helen Wills Moody (USA) defeated Simonne Mathieu (FRA) 6–3, 6–4 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