Family name ข่าย (Khai 
, ข่าย) , around the world, is a common cognomen. The cognomen ข่าย is habitual in South-eastern Asia, particularly Malaysia, where it is quite a common surname, Myanmar, and Brunei (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in South-eastern Asia, particularly Malaysia, Myanmar, and Vietnam. Also, ข่าย is the forename as well as the last name.