Last name กรมธรรม์ (กรมธรรม์ 
, Kromtamma 
) , in the world, is a very rare cognomen. The surname กรมธรรม์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia. Likewise, กรมธรรม์ is the forename as well as the last name.