Quinceañero is the Spanish word commonly used for a boy celebrating a male version of a quinceañera.
The term is the masculine counterpart of quinceañera. Both words relate to the age of fifteen and can describe a coming-of-age celebration. In practice, quinceañero celebrations are less standardized and less widespread than the traditional celebration for girls, so the exact format depends heavily on the family and community.
A quinceañero may include a formal ceremony, a reception, special clothing, music, dancing, and family participation. Some families adapt rituals associated with quinceañeras, while others create a distinct celebration rather than copying a fixed template.
Quinceañero can also be confused with other Spanish words used at the event. A chambelán is an attendant or escort in some traditions, a padrino is a godparent or sponsor, and cumpleañero simply means the person whose birthday is being celebrated. Those terms do not specifically name the male fifteenth-birthday celebrant.