Cognomen จาร์ (Cha 
, จาร์ 
) , in the entire world, is a widespread surname. The surname จาร์ is characteristic of Algeria, where it is quite a common surname, Cayman Islands, and Hong Kong (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Algeria, and India. Much less frequently, จาร์ is the forename as well as the last name.