Family name สุธรรมมา (Sudhamma 
, สุธรรมมา , Suthamma 
) , in the world, is quite a rare cognomen. The cognomen สุธรรมมา is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Myanmar, where it is a very rare surname, and Malaysia. Measured by absolute frequency, it is commonest in Thailand, India, and Myanmar. More prevalently, สุธรรมมา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sudhamma | United Kingdom, United States, India, Myanmar, Thailand |
| สุธรรมมา | Thailand |
| Suthamma | Malaysia, India, South Africa, Thailand |