Family name เค้า (Khao 
, เค้า) , around the world, is quite a common cognomen. The cognomen เค้า is habitual in Mongolia, where it is quite a common surname, Myanmar, where it is quite a rare surname, and Hong Kong, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in India, Mongolia, and Myanmar. Likewise, เค้า is the forename as well as the last name.