Surname 默文 (Mervin 
, Mervyn , Merven 
) , throughout the world, is quite a common family name. The surname 默文 is habitual in Mauritius, where it is quite a common surname, Venezuela, where it is quite a rare surname, and Namibia. Measured by absolute frequency, it is commonest in Venezuela, Malaysia, and the United States. More prevalently, 默文 is the forename as well as the last name.