Cognomen เย้า (Yao 
, Yased 
, เย้า) , in all the world, is a prevalent last name. The last name เย้า 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. Much less frequently, เย้า is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yao | Malaysia, Togo, China, Ivory Coast, United States |
| Yased | Malaysia, United States, Singapore, India, Thailand |
| Yaoath | United States, Thailand |