Cognomen Нгема (Nguema 
, Нгема 
, Nqema 
) , throughout the world, is a common last name. The surname Нгема is habitual in Sub-Saharan Africa, particularly Gabon, where it is a widespread surname, Equatorial Guinea, where it is a common surname, and Cameroon, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Sub-Saharan Africa, particularly Gabon, Equatorial Guinea, and the Democratic Republic of the Congo. Very seldom, Нгема is the forename as well as the last name.