The young woman celebrated at the event is traditionally called the quinceañera.
The same word is also widely used for the celebration itself, which can create ambiguity in English-language descriptions. In context, “the quinceañera” may refer to the person, while “a quinceañera” may refer to the party or milestone event.
Her role commonly includes a formal entrance, special clothing, participation in a religious service when applicable, and dances with relatives or attendants. The ceremony presents her to family and community at the symbolic age of 15.
Terminology is not identical across all Spanish-speaking regions. A boy who celebrates a comparable fifteenth birthday may be called a quinceañero, and families may use local names for attendants or sponsors. These variations do not change the standard term for the female celebrant in the traditional form.