Quinceañera is the Spanish term for both the girl and her traditional 15th-birthday celebration.
The term is derived from quince años, meaning “fifteen years,” and is connected to the age-centered nature of the custom. In English-language writing, quinceañera commonly describes the event, while Spanish usage can also use it for the young woman being celebrated.
The celebration developed through a mixture of Indigenous American, Spanish, and Catholic influences, though historians do not identify one single origin story accepted for every country. Contemporary quinceañeras may be religious, secular, or a combination of both. Their details can include formal dresses, music, dancing, family speeches, and symbolic presentations.
Quinceañero is a related masculine form used in some contexts, but it does not replace quinceañera as the standard name for the widely known celebration. Terms such as madrina and chambelán refer to people connected with the event, not to the celebration itself.