Family name Khui (Khui 
, Хуи 
, คุ้ย) , in all the world, is a rare cognomen. The surname Khui is characteristic of Malaysia, where it is quite a rare surname, Armenia, where it is a rare surname, and Indonesia, where it is a very rare surname. In absolute terms, the name is most common in Malaysia, Indonesia, and India. Likewise, Khui is the forename as well as the last name.