Surname 莫恩 (Mohn 
, Moen , Mohun 
) , all over the world, is a common cognomen. The cognomen 莫恩 is characteristic of Norway, where it is a common surname, Mauritius, and Sweden, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Norway, the United States, and India. Likewise, 莫恩 is the forename as well as the last name.