Family name ធម្ម (Dhamma 
, ធម្ម 
) , around the globe, is quite a rare last name. The cognomen ធម្ម is characteristic of Myanmar, where it is quite a rare surname, Cambodia, and Sri Lanka, where it is a rare surname. In absolute terms, it most frequently occurs in Myanmar, Indonesia, and India. Also, ធម្ម is the forename as well as the last name.