Cognomen อาดัม (Adam 
, Ardam 
, อาดัม 
) , in the world, is a prevalent last name. The family name อาดัม is characteristic of Poland, where it is a prevalent surname, Maldives, and Sudan, where it is a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in Poland, Nigeria, and Sudan. Also, อาดัม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adam | Egypt, Poland, United States, Sudan, Nigeria |
| Ardam | Morocco, United States, India, United Kingdom, Indonesia |
| อาดัม | Thailand |
| Aadham | United Kingdom, India |