Last name Tiens (Tiens 
, Chombo 
) , in all the world, is quite a common family name. The family name Tiens is characteristic of Sub-Saharan Africa, particularly Namibia, where it is quite a rare surname, Botswana, and Zimbabwe. Not in comparison with a country's population, it is commonest in Tanzania, Indonesia, and Mexico. Much less frequently, Tiens is the forename as well as the last name.