In all the world, เทา (Thao 
, Tauk 
, เทา 
) is a common gender-neutral forename. The first name เทา is habitual in Macao, where it is quite a common largely female, but uncommonly boy's name, Vietnam, where it is quite a common gender-neutral name, and Australia, where it is quite a rare primarily female, but very seldom boy's name. Not in comparison with a country's population, it most frequently occurs in Vietnam, the United States, and Australia. Also, เทา is the last name as well as the forename.