The 1985 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 27 May until 9 June. It was the 84th staging of the French Open, and the first Grand Slam tennis event of 1985.
The event was part of the 1985 Nabisco Grand Prix and 1985 Virginia Slims World Championship Series.
23x15px Mats Wilander defeated 23x15px Ivan Lendl, 3–6, 6–4, 6–2, 6–2 
- It was Wilander's 4th career Grand Slam title, and his 2nd French Open title.
23x15px Chris Evert defeated 23x15px Martina Navratilova, 6–3, 6–7(4-7), 7–5 
- It was Evert's 17th career Grand Slam title, and her 6th French Open title.
23x15px Mark Edmondson / 23x15px Kim Warwick defeated Template:Country data ISR Schlomo Glickstein / 23x15px Hans Simonsson, 6–3, 6–4, 6–7, 6–3 
23x15px Martina Navratilova / 23x15px Pam Shriver defeated 23x15px Claudia Kohde-Kilsch / 23x15px Helena Suková, 4–6, 6–2, 6–2 
23x15px Martina Navratilova / 23x16px Heinz Günthardt defeated 23x15px Paula Smith / 23x15px Francisco González, 2–6, 6–3, 6–2 
Total prize money for the event was FF19,895,600.