Across the world, ดุ่ย (Dui 
, ดุ่ย) is quite a rare gender-neutral first name. The first name ดุ่ย is characteristic of Indonesia, where it is a rare unisex name, India, where it is a very rare unisex name, and Vietnam, where it is a very rare predominantly masculine, but very seldom female name. In absolute terms, it is commonest in India, Indonesia, and Bangladesh. Also, ดุ่ย is the last name as well as the forename.