Luu

Luu is a surname of Vietnamese origin, an unaccented spelling of Lưu, the Vietnamese form of the Chinese surname Liu (劉). The name Lưu/Liu is among the more common Vietnamese surnames and has historical roots in multiple lineages that have spread across Vietnam and its overseas communities.

In diaspora communities, the spelling Luu is commonly used in North America, Europe, Australia, and other regions with Vietnamese populations. The accented form Lưu remains standard within Vietnam and in contexts that preserve diacritics. As a surname, Luu denotes family lineage rather than a given name, and individuals bearing the name can be found across a wide range of professions and regions.