The 1981 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 25 May until 7 June. It was the 80th staging of the French Open, and the first Grand Slam tennis event of 1981.
Björn Borg defeated Ivan Lendl, 6–1, 4–6, 6–2, 3–6, 6–1 
- It was Borg's 1st title of the year, and his 61st overall. It was his 11th (and last) career Grand Slam title, and his 6th French Open title (at that time, an Open Era record).
Hana Mandlíková defeated Sylvia Hanika, 6–2, 6–4 
- It was Mandlíková's 2nd title of the year, and her 13th overall. It was her 2nd career Grand Slam title, and her 1st French Open title.
Heinz Günthardt / Balázs Taróczy defeated Terry Moor / Eliot Teltscher, 6–2, 7–6, 6–3 
Rosalyn Fairbank / Tanya Harford defeated Candy Reynolds / Paula Smith, 6–1, 6–3 
Andrea Jaeger / James Arias defeated Betty Stöve / Frederick McNair, 7–6, 6–4 
Total prize money for the event was FF3,365,445.