Cognomen ยาว (Yao 
, ยาว 
, Longthon ) , all around the world, is a prevalent family name. The surname ยาว is habitual in Ivory Coast, where it is a common surname, Cayman Islands, and Bermuda (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in China, Ivory Coast, and Malaysia. Much less frequently, ยาว is the forename as well as the last name.