Last name ขุ้ย (Khui 
, ขุ้ย) , throughout the world, is a rare surname. The cognomen ขุ้ย is habitual in South-eastern Asia, particularly Malaysia, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Myanmar. Measured by absolute frequency, it is the most numerous in Malaysia, Indonesia, and India. Likewise, ขุ้ย is the forename as well as the last name.