Globally, เทศน์ (Thet 
, Sermbhat , เทศน์ ) is a common gender-neutral first name. The first name เทศน์ is habitual in Mongolia, where it is a prevalent unisex name, Myanmar, where it is quite a common gender-neutral name, and Singapore, where it is quite a rare unisex name. Not in comparison with a country's population, this name is the most popular in Mongolia, Myanmar, and Indonesia. Likewise, เทศน์ is the last name as well as the forename.