Last name Mwin (Main 
, Manus 
, Mwin 
) , worldwide, is a common cognomen. The last name Mwin is characteristic of Guernsey, where it is quite a common surname, Myanmar, and Oman (explore the name in all countries). In absolute terms, it is commonest in Myanmar, the United States, and Bangladesh. Likewise, Mwin is the forename as well as the last name.