Family name Tangu (Tangu 
) , in the entire world, is quite a rare last name. The cognomen Tangu is characteristic of Albania, where it is quite a rare surname, Cameroon, and Tanzania, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in India, Cameroon, and the Democratic Republic of the Congo. Likewise, Tangu is the forename as well as the last name.