Cognomen เหยา (Yao 
, Hiao 
, เหยา ) , in the entire world, is a prevalent last name. The cognomen เหยา is characteristic of Ivory Coast, where it is a common surname, Cayman Islands, and Bermuda (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, Ivory Coast, and Malaysia. Very seldom, เหยา is the forename as well as the last name.