Surname 马恩 (Mahn 
, 马恩 
) , in all the world, is quite a common last name. The cognomen 马恩 is habitual in Fiji, where it is quite a common surname, Papua New Guinea, where it is quite a rare surname, and Liberia. In absolute terms, this name is the most popular in Germany, Myanmar, and the United States. Much less frequently, 马恩 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahn | Myanmar, Germany, United States, Taiwan, Papua New Guinea |
| 马恩 | China |