Cognomen 亞當 (Adam 
, Ádám 
, Ardant 
) , in the world, is a prevalent surname. The last name 亞當 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). Not in comparison with a country's population, it is the most numerous in Poland, Nigeria, and Sudan. Also, 亞當 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adam | Poland, Nigeria, Egypt, United States, Sudan |
| Ádám | United Kingdom, Germany, Australia, United States, France |
| Ardant | United Kingdom, Indonesia, United States, Democratic Republic of the Congo, France |
| 亞當 | China |
Adama, Adamantios, Adamian, Adamo, Adamos, Adamová, Adams, Adamsová, Adamss, Adamus, Adamyan, Adan, Adaś, Adda, Addams, Addamu, Adhamh, Adán, Dahm, Diamantis, Hadam, Yadang, Àdam, Ādams, Αδαμάντιος, Διαμαντής, Адам, Адама, Адамз, Адамо, Адамс, Адамус, Адамян, Адан, Адда, Аддамс, Ардан, אדם, אדמה, אדמיאן, אדמס, آدامز, آدامو, آدم, อดัม, アダマ, アダム, アダムス, アダモ, アルダン, 亚当, 亚当斯, and 阿丹