Cognomen Thengo (Thengo 
) , worldwide, is a rare family name. The family name Thengo is habitual in Sub-Saharan Africa, particularly Malawi, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and South Africa, where it is a very rare surname. Much less frequently, Thengo is the forename as well as the last name.