Cognomen เทส (Thet 
, Tased 
, เทส ) , worldwide, is a widespread surname. The surname เทส is characteristic of Mongolia, where it is a prevalent surname, Myanmar, where it is a widespread surname, and Singapore, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Myanmar, Mongolia, and Malaysia. Also, เทส is the forename as well as the last name.