Family name Nanchu (Nanchu 
) , globally, is a rare surname. The surname Nanchu is characteristic of Sub-Saharan Africa, particularly Ethiopia, where it is a rare surname, South Africa, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. In absolute terms, this name is the most popular in Ethiopia, Nigeria, and India. More prevalently, Nanchu is the forename as well as the last name.