Surname Nguyenvan (Nguyenvan 
, Нгуенван 
) , in the entire world, is quite a rare family name. The surname Nguyenvan is habitual in Macao, where it is quite a rare surname, Vietnam, and Saudi Arabia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Vietnam, Saudi Arabia, and Algeria. Likewise, Nguyenvan is the forename as well as the last name.