“Sweet fifteen” is an English phrase often used to describe a quinceañera as a fifteenth-birthday celebration.
The expression parallels “sweet sixteen,” but it refers specifically to the Latin American and Latino tradition associated with age 15. It highlights the birthday milestone while retaining the cultural identity of the quinceañera.
The phrase is a description rather than the only correct English name. Many English speakers simply use quinceañera, and families may use Spanish, English, or both languages when discussing the event.
A quinceañera is more than a standard birthday party in many families because it may include religious observances, formal attire, symbolic gifts, a court of attendants, and a large reception. None of those elements is universal.