Cognomen ธรรมทินนา (Thammatinna 
, ธรรมทินนา , Thamtinna ) , in all the world, is a very rare surname. The family name ธรรมทินนา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ธรรมทินนา is the forename as well as the last name.