The 1999 French Open was a tennis tournament that took place on the outdoor clay courts at the Stade Roland Garros in Paris, France.

The tournament was held from 24 May until 6 June.

It was the 103rd staging of the French Open, and the second Grand Slam tennis event of 1999.

Andre Agassi[1] defeated Andrei Medvedev, 1–6, 2–6, 6–4, 6–3, 6–4 Steffi Graf defeated Martina Hingis, 4–6, 7–5, 6–2 Mahesh Bhupathi / Leander Paes defeated Goran Ivanišević / Jeff Tarango, 6–2, 7–5 Serena Williams / Venus Williams defeated Martina Hingis / Anna Kournikova, 6–3, 6–7(2–7), 8–6 Katarina Srebotnik / Piet Norval defeated Larisa Neiland / Rick Leach, 6–3, 3–6, 6–3 Guillermo Coria[2] def.

David Nalbandian, 6–4, 6–3 Lourdes Domínguez Lino defeated Stéphanie Foretz, 6–4, 6–4 Irakli Labadze / Lovro Zovko defeated Kristian Pless / Olivier Rochus, 6–1, 7–6 Flavia Pennetta / Roberta Vinci defeated Mia Buric / Kim Clijsters, 7–5, 5–7, 6–4