| Champ: |  Tracy Austin |
| Runner: | Hana Mandlíková |
| Score: | 6–0, 3–6, 6–4 |
| Before Name: | Wimbledon Championships – Girls' singles |
| After Name: | Wimbledon Championships – Girls' singles |
| Type: | grand slam |
See main article: 1978 Wimbledon Championships. Tracy Austin defeated Hana Mandlíková in the final, 6–0, 3–6, 6–4 to win the girls' singles tennis title at the 1978 Wimbledon Championships.[1]
See also: 1 and 1. Tracy Austin (champion)
See also: 2 and 4. Hana Mandlíková (final)
See also: 3 and 3. Peanut Louie (semifinals)
See also: 4 and 2. Anna-Maria Fernandez (quarterfinals)
See also: 5 and 2. Hana Strachoňová (third round)
See also: 6 and 3. 
Amanda Tobin (quarterfinals)
See also: 7 and 4. Maria Rothschild (third round)
See also: 8 and 1. 
Claudia Casabianca (quarterfinals)