Surname ธรรมนุ (Thamnu 
, ธรรมนุ ) , all around the world, is a rare last name. The surname ธรรมนุ is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, ธรรมนุ is the forename as well as the last name.