Surname เงียน (Ngian 
, Ngain 
, เงียน 
) , in the entire world, is quite a rare cognomen. The last name เงียน is characteristic of Singapore, where it is quite a rare surname, Malaysia, and Cameroon, where it is a rare surname. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Malaysia, Indonesia, and Singapore. Much less frequently, เงียน is the forename as well as the last name.