In all the world, Thieu (Thieu , チュー , Тхиеу ) is quite a rare predominantly boy's, but scarcely girly first name. The first name Thieu is characteristic of Vietnam, where it is quite a rare primarily boy's, but very infrequently female name, Israel, where it is a rare mostly girly, but uncommonly male name, and Belgium, where it is a rare boy's name. Measured by absolute frequency, this name is the most popular in Vietnam, the United States, and Netherlands. Also, Thieu is the last name as well as the forename.
Thieu is also a name for the fictitious and mythical characters: .