Family name มะดำ (Madam 
, มะดำ) , in the world, is quite a rare surname. The cognomen มะดำ is characteristic of Moldova, where it is quite a common surname, Sri Lanka, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, it is commonest in Indonesia, Moldova, and Bangladesh. Predominantly, มะดำ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Madam | Moldova, Bangladesh, Kenya, Indonesia, Malaysia |