The 1980 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 26 May until 8 June. It was the 79th staging of the French Open, and the first Grand Slam tennis event of 1980.
Björn Borg defeated Vitas Gerulaitis, 6–4, 6–1, 6–2 
- It was Borg's 9th career Grand Slam title, and his 5th French Open title.
Chris Evert defeated Virginia Ruzici, 6–0, 6–3 
- It was Evert's 10th career Grand Slam title, and her 4th French Open title.
Victor Amaya / Hank Pfister defeated Brian Gottfried / Raúl Ramírez, 1–6, 6–4, 6–4, 6–3 
Kathy Jordan / Anne Smith defeated Ivanna Madruga / Adriana Villagran, 6–1, 6–0 
Anne Smith / Billy Martin defeated Renáta Tomanová / Stanislav Birner, 2–6, 6–4, 8–6