Tri is an Indonesian given name and a Vietnamese surname. As a given name in Indonesia, it is commonly used for either gender and means "three, third", derived from the Sanskrit element त्रि (tri).Etymology and Cultural ContextThe Sanskrit root tri means "three" and is found in many Hindu and Buddhist concepts, such as the Trimurti (a triad of supreme deities) and the Triratna (the Three Jewels of Buddhism). In Indonesian naming traditions, tri is often used to denote the third-born child, reflecting a common pattern across cultures where birth order forms the basis of personal names. Related names include Trimurti and Tribuana.As a SurnameIn addition to its use as an Indonesian given name, Tri also appears as a rare surname, primarily of Vietnamese origin. According to statistics from the 2010 United States Census, approximately 576 individuals in the United States bear this surname, with the largest ethnic groups being White (60.24%) and Asian/Pacific Islander (34.55%).Key FactsMeaning: "three, third"Origin: Indonesian (via Sanskrit), Vietnamese (as a surname)Type: Given name (unisex) and surnameUsage Regions: Indonesia, Vietnam (surname), abroad in diasporas