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.
See main article: 1999 French Open – Men's singles. 
Andre Agassi[1] defeated 
Andrei Medvedev, 1–6, 2–6, 6–4, 6–3, 6–4
• It was Agassi's 4th career Grand Slam singles title and his 1st and only title at the French Open.
See main article: 1999 French Open – Women's singles. 
Steffi Graf defeated 
Martina Hingis, 4–6, 7–5, 6–2
• It was Graf's 22nd and last career Grand Slam singles title and her 6th title at the French Open.
See main article: 1999 French Open – Men's doubles. 
Mahesh Bhupathi / Leander Paes defeated Goran Ivanišević / Jeff Tarango, 6–2, 7–5
• It was Bhupathi's 1st career Grand Slam doubles title.
• It was Paes' 1st career Grand Slam doubles title.
See main article: 1999 French Open – Women's doubles. Serena Williams / Venus Williams defeated Martina Hingis / 
Anna Kournikova, 6–3, 6–7(2–7), 8–6
• It was S. Williams' 1st career Grand Slam doubles title.
• It was V. Williams' 1st career Grand Slam doubles title.
See main article: 1999 French Open – Mixed doubles. Katarina Srebotnik / Piet Norval defeated Larisa Neiland / Rick Leach, 6–3, 3–6, 6–3
• It was Srebotnik's 1st career Grand Slam mixed doubles title.
• It was Norval's 1st and only career Grand Slam mixed doubles title.
See main article: 1999 French Open – Boys' singles. 
Guillermo Coria[2] def. David Nalbandian, 6–4, 6–3
See main article: 1999 French Open – Girls' singles. 
Lourdes Domínguez Lino defeated 
Stéphanie Foretz, 6–4, 6–4
See main article: 1999 French Open – Boys' doubles. 
Irakli Labadze / Lovro Zovko defeated Kristian Pless / 
Olivier Rochus, 6–1, 7–6
See main article: 1999 French Open – Girls' doubles. 
Flavia Pennetta / Roberta Vinci defeated Mia Buric / Kim Clijsters, 7–5, 5–7, 6–4
| Champion | Runner-up | |||
|---|---|---|---|---|
| Andre Agassi (13) | Andrei Medvedev | |||
| Semifinals out | ||||
 Fernando Meligeni | ||||
| Quarterfinals out | ||||
| M Ríos (9) | M Filippini | À Corretja (6) | G Kuerten (8) | |
| 4th round out | ||||
| C Moyá (4) |  G Rusedski (12) | |||
 S Koubek | F Mantilla (14) |  B Ulihrach | ||
| 3rd round out | ||||
| T Henman (7) | ||||
| V Spadea | ||||
 P Rafter (3) | ||||
 C Ruud | B Black | |||
| 2nd round out | ||||
| Y Kafelnikov (1) | J Courier | |||
| S Huet | ||||
| P Korda | A Clément | |||
| M Damm | R Krajicek (5) | |||
 M Larsson | ||||
| M Puerta |  Y El Aynaoui | N Escudé | ||
| F Clavet | J Stoltenberg | |||
| T Enqvist (16) |  M Mirnyi | P Sampras (2) | ||
| 1st round out | ||||
| G Ivanišević (15) | ||||
| J-R Lisnard | ||||
| J Tarango | ||||
 K Kučera (11) | ||||
| R Gilbert | ||||
| M Philippoussis (10) | ||||
| M Zabaleta | ||||
 A Voinea | ||||