Surname ธัมมะ (Thamma 
, ธัมมะ ) , around the world, is quite a rare last name. The surname ธัมมะ is habitual in Thailand, where it is quite a rare surname, Qatar, where it is a rare surname, and India. Measured by absolute frequency, it is the most numerous in India, Thailand, and the United States. Much less frequently, ธัมมะ is the forename as well as the last name.