Family name กาญจนเศรษฐ์ (กาญจนเศรษฐ์ 
, Kanwaset ) , worldwide, is a very rare cognomen. The family name กาญจนเศรษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, กาญจนเศรษฐ์ is the forename as well as the last name.