Mima Jaušovec defeated Florența Mihai in the final, 6–2, 6–7(5–7), 6–1 to win the women's singles tennis title at the 1977 French Open.

[1] [2] It was her first and only major title.

Sue Barker was the reigning champion, but chose not to defend her title.

The seeded players are listed below.

Mima Jaušovec is the champion; others show the round in which they were eliminated.