Last name จาว (Chao 
, จาว 
, Jyau 
) , all over the world, is a widespread cognomen. The cognomen จาว is characteristic of Macao, where it is a widespread surname, Cayman Islands, where it is quite a common surname, and Taiwan (explore the name in all countries). Measured by absolute frequency, the name is most common in China, Taiwan, and the United States. Also, จาว is the forename as well as the last name.