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Across the world, Vô (Vo , Vô ) is quite a common epicene first name. The given name Vô is habitual in Vietnam, where it is quite a rare unisex name, Macao, where it is quite a rare feminine name, and Singapore, where it is a rare epicene name. Measured by absolute frequency, it is commonest in Vietnam, China, and Indonesia. More prevalently, Vô is the last name as well as the forename.