junakinja

1. heroine
   Medicinska sestra koja je spasila dete postala je junakinja grada. — The nurse who saved the child became the town's heroine.
2. (of a book, film) heroine; female character
   Glavna junakinja romana je mlada učiteljica iz Niša. — The novel's main character is a young teacher from Niš.
   Ne dopada mi se junakinja ove serije. — I don't like the heroine of this series.

The masculine form is junak.