Throughout the world, Chis (Chis 
) is quite a rare epicene first name. The forename Chis is habitual in Reunion, where it is quite a common masculine name, Romania, where it is quite a rare gender-neutral name, and Indonesia, where it is a very rare unisex name. Measured by absolute frequency, it is the most numerous in Romania, Indonesia, and the United States. More prevalently, Chis is the last name as well as the forename.