Family name คำรณ (Kamron 
, Khamron 
, Kumron ) , worldwide, is a rare last name. The last name คำรณ is characteristic of Fiji, where it is quite a rare surname, Malaysia, and Israel, where it is a rare surname. Measured by absolute frequency, it is commonest in Malaysia, Thailand, and Fiji. More frequently, คำรณ is the forename as well as the last name.