1978 French Open – Women's singles

Virginia Ruzici defeated the defending champion Mima Jaušovec in the final, 6–2, 6–2 to win the women's singles tennis title at the 1978 French Open.

Seeds
The seeded players are listed below. Virginia Ruzici is the champion; others show the round in which they were eliminated.


 * 1)  Mima Jaušovec (finalist)
 * 2) 🇷🇴 Virginia Ruzici (champion)
 * 3)  Regina Maršíková (semifinals)
 * 4) 🇺🇸 Nancy Richey (second round)
 * 5) 🇺🇸 Kathy May (quarterfinals)
 * 6) 🇺🇸 Janet Newberry (first round)
 * 7)  Katja Ebbinghaus (second round)
 * 8) 🇺🇸 Laura duPont (first round)
 * 9)  Renáta Tomanová (second round)
 * 10) 🇷🇴 Florența Mihai (first round)
 * 11) 🇺🇸 Jeanne Evert (second round)
 * 12) 🇬🇧 Michelle Tyler (second round)
 * 13)  Fiorella Bonicelli (quarterfinals)
 * 14) 🇷🇴 Mariana Simionescu (third round)
 * 15) 🇺🇸 Mareen Louie (second round)
 * 16) 🇺🇸 Caroline Stoll (first round)

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired